Extracted text — DOW Sandia Base UAP Reports, 1948-1950

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Source PDF: dow-uap-d017_general_correspondence_of_sandia.pdf (war.gov source) Agency: Department of War Incident: 1948-1950 · New Mexico Pages: 116 Extraction: text-layer ok

```text HEt\DQUARTEP..S • DETACHMENT D 1100TH USAF SPECUL REPORTING GROUP Campbell Mr Force Base Camp Campbell. Kentucky 7 April 1949 ~?>‘2.>,, SUBJECT: Security :E:nspection TOt Commanding General \ Sandia Base Albuquerque, New Mexico ) ~~o lo ' Q, 0~~ ~4

Reference is made to secret letter. your headquarters. dated 1 April 1949• Subjects Security Inspection .
a. Guard Orders have been amended directing that the elec tric gate be closed between 1700 hours until 0700 hours the following day. b. Looks have replced the bolts in all inspection access gates in the outer fence. c. Inspection ports on both bridges are now pr ovided with locks . d. The final draft of our alert plan has been reviewed and will be pub lished and distributed for study to operating personnel . It is desired to point out that the alert plan is incomplete . !. stockpile custodian has not been assigned here; his pa rt in the alert plan has been outlined only. Furthermore, since the 11th Airborne ’ Division is not in place yet, only temporary arra ngements for defense have been made. Final form of the overa ll alert p lan will be sub mitted to your headquarters for approval as soon as conditions will allow. ·1n the interim period. it is felt that the temporary alert plan we have p repared is adequate. A copy of this pl an will be dis patched to your headquarters in the near future. e. !11 jeep radios are now installed in jeeps. r. ~ lthough not entirely satisfactory. radio oom.munioation with the Camp Campbell Military Police has been in effect for some- time and was in effect at the time of the Security inspection. .Pe manent a rr angements for radio communication with Camp Campbell Military Police are de l ayed panding the arriva l of radio frequency crystals that fit the Mili t a ry P olice net frequency. NND 58378 Short Ti tl e -~~-:L~~-=-~~–=—-~~/_f SHORT TI~ffhBI

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~ V I . # , series __ ..; 7 April 194.9• SUBJECTs Security Inspection g. Pressure has be en exerted to g et the Pos t ‘Ehgineers to keep the dra.inage system. clear and to take measures to check the ero sion. These efforts will be continued but li t tle pro g ress on erosion control can b e expected until the rains diminish. Ditches have been filled, dirt moved and replaced, native g ras s es p lanted, but the rains return too soon and much of the effort invested is therefore wasted . Plans a.re prepared f or an interim erosin control effort, and a stud;y is being ma.de to estinate the cost of resloping the cuts in or de r that the rainfall mq be drained with less damaging results. Initial estimates run in the neighborhood of twenty thousand dollars (t20,ooo.oo).

With the exception of halting the erosixm, all deficiencies listed in the security inspection report have be en cleared away. It is therefore requested that the monthly report of action taken re quired by cited letter be discontinued. /(~4/./?L_ RI CHARD TI’ KLIN.!!i Lt Col, USAF Commanding NND 58378

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SEGRET • HEADQUARTERS SANDIA BASE Albuquerque, New Mexico AFSWP CLASSIFIED DOCUMENTS LIBRARY Fl LE NO. 45~ . S- SUBJECT: ll’T.- ;,J)..o;y ~·o ¥ NND 58378 e:i:

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10 August 1949 Dr . L1nooln ~ InDtituta of ‘Meteoritics University of New Mexico Albuqu.erquo , N. :t:. Doar l.1ncoln : I a::n lnclos1ng two copies or the report you asked tor , fllld hope that they oerve their purpose . 'lo Jiave mado a preliminary ez:eminntion ot tm elghtaon collact1ona token at nine locatione on my, l!onde.:,• ’l’uesday trip . !lbere was a large number of coppor - boar1ng pe.rtiolee on one eolleoti on (ll-104L) taken on Higm1ay 84 , seventeen ·mles north ot E1gl:may 661 and aoa.ttered occas • i onal particles throJJ.ghout the series . The collection teken at tho Blt"lle location imcodi ately’ following R- l04L eho’\YD practically no copper. A 1orge l)art of the n - 104L is of a granular mnterial untamiliar to us , and , the copper indioat1ona ori,:.inate principa l ly 1n l’lhat are e.pparontl'1 aggregations of finely (ona ..meron) granular material of overall sizes in tho neighborhood of thirty microns . Some cop_per _part! ,lea, hor.- ever , appear to be solid nnd o,Paque. The passage of t-, automobiles while this oollection uas being made is a complicating fe.ctor . It is hard to aee how they mieht he.Ta been a eourco ot coppor , ho,raver , unlean it nao a question of stirring up aoI!lo :trom dust on the -pavement. We intend to do some :1"urther chemi.eal work Tii th theee colloctions , but I doubt if muoh nen relevant information 11111 be obtained . Hy tentative conclusion is that no ~idcspread significant dispersion or copper- bea’t’ine; particles ,vas present in tbe atmoaphere in the rc"ion covere.:1 at the timo the eollcct1ons wore made. l,o det1ni ta statel’:lcnt is possible about the one heavy copper collention: it should be prosumod to be of local origin until come evidonee to the contrary ic ‘found. e route at tho collocting trip included Paatura , Santa noaa. , junc tion of Routes 66 and 84 , ond Las ·Ve.:;aa on J!ondey af’ternoon . On Tuosdey morning it included. Las Ve3as , Canonr,1 to , Glorieto. end ecos . Yours vory truly , mx, o.ttaobments (2) NND 58378

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M - ‘R/D- tw 8-10 -49 AN AT’l!EMP? ‘ro coU.roT AnBCP.NE PAU’ICLES A'3SOO IA’l’ED fJI’l’iJ THE FIREBALL OF JULY 241 1949 By • n . Oroztor and Ben x. Seely HBTHOD A ‘fireball was raportad to have pasaod ovor the general noighborhood of Socorro, Uew Uexi.00 1 at 8:26 p.m . 1 J’uly 241 1949. Impaotment equipment , develop9d in conn eat ion 1a th the sarosol research pro Ject ot the New Mex1 co School of !lines, was available, and it was decided to make systematic collections ot airborne me.ter

iel. in the hope ot obta1nill8 material that could be associated .-1th the t1reball . For the present report it is suftio1ent to state that the equipnant processed air at the rate ot about J4 11 tera per minute , the particles bein g separated f’rom the air by -impactment against en adhesi’f9-coate~ plate in an air jet . Appro:d!natel.y ninety per cent of airborne particlee with dianeters greater than one micron are collected . Tho adheeive used. on the collecting plates (mcroscope slides) waa a glycerin gelatin tlixture w1 th an a.dd1 tion or rubeanic aeid ( di thiooxamide . ) ’l’lus reagent was used to enable identifioation of copper or copper compounds; it also enables identification of nickel and cobalt . After ?C:lking the eollaotions , the slides were covered with e. Saran til::l, after which thoy were exposed to strong aomonia vapor for r1:tteon Jninutes to effect partial ao lution or any copp_er or copper oxide parti el.Gs. R ESULT S ‘?he first oolleotion was made at 10: 00 a . m., .ruly 25, about thirteen and one- he.lf houra after the fireball was seen . The air wan te.lcen about twelve teet above ground lovel, on t he Ol!!’.IJ>UO ar the School ot Uines . Tho first run was i’or three min- , utes , ll[‘COosaing cbout 102 liters of air . Sevoro.l large particles wero :round in it that gave J)ositiva co pe.r teats. In at least ono or these the cop per reaction was aeen petore t he cn::mx>ni c tr o~~ont , indicating the presence 9f at least a trace of a aoluble copper co~~pound. The sizes of particles aoon in tho first oollections ranged up to over one hundred microns in the largest dimension: the largest particles g ave tho impression o~ bein.g f’r8gl:lents or a so:i:ievm.at f’ibrous material, lli th the smaller ~~ NND 58378

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Page 2 dbension oi" ,the o-rder o~ twnty or thirty .:nicrono. There were no Br:lall partielee , that 1e, no particles 11'1 th n iruuiml1!11 di?DeXUiion below 15 microns . , J’ollmring tho :f’lrat colleotion, ,additional oolleotions 1f8re nade , tindor aimi• 1ar conditions. over a period of elght daya . The aooco.pann,ng table su:n:iarisea the colld1 t1ons and copper counts ror all tbese collections , including tho first ono described above. nU!!lbor of the ru.ru, wero tor periods lor.,;or tfum three minutes , but °‘he oouhts have , 1n ’tbeee cases , been reduced to the threo-:nnuta equivalent . Olio eolleetion showing oevora.l large copper indications , tekon J"u~ 25 , ia omm:1 ttnd fron the to.blo because it was damaged in courae ot a teai for radioaotivity by exx,osure of a nmlear track plate (vrith negative reoultn) end a det"inita count oOllld not be made . The counts are exhibited in tbreo size claeRiflcations, end attention is directed to tlie :ta.at that particles in the smallest s!ze croup (l to l5 microns) e::-e practically absent trom the ear ly oollectlona, mil& in the later collectiow, , particles 1n the largest (.30 mioron.o) 8Ii.d middle (15 to 30 microna} groups have become cp;i te esoarce. At the same tine, the counto have beccte quite large in tile :.s:ncllest aizo group. SIONIFICA~CE OF RESULTS If 1 t were possible to SflY that partic les giving a copper test are generally very rare in eollectione near groimd leTel in this locaJ.lty , the above facts t’.Ould bo highly s!gni1'1cant. It l1appens , however, that collections have been :-:,ode at Socorro over only- a short period , and not .muoh e.tten1i1on has been given to !denti fica.tion ot copper coJ:lJ)ounds. ::aowever, after the copper indieetions had been round in the present sories of: collectio•,s, some collections were round on file that hod been made on plain glycertn- 3aui.tin on july .1,, 1949 . -These r.are oovered ,nth the Sarun fi-lm and rubeanic eoid C!Jld an::.on1a were appliod by d1 tfusion through tho · ttlm . A few copper indications were found, al!nost all the i:e.rtioles being in the 30 micron size group . Some other co11ection.s were made early 1n ~~uly tbo.t will be e::lt8!ninod tor· ’lopper when they are treed !“roe other tests . lil add1 t1on, oce~~ional colloot1ons will be examined. tor copper in the futll!’e , and 1 t may be possible eventually to add so:neth1ng to tho information now presented . COllCLUSION6 REGARDING COPPER In view Qt the above fa.eta , it i,eem:, very hazardous to draw any: definite con clusion associating ~~he coppe~~- bearioo perticlos collected with the fireball or 1uly 24. Th.are a till is , hwoTer , a residuum or poasitdlity ot such associations men 1 t is conoidored th c.t partic!.ss ot 1h c smallest s1 ze group did not appear in largo numbera until some 35 hours at’ter the po.esege of tl;le fireball . NND 58378

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~ ,,.~ ;..=- - •tk-a~~ ‘?ABLB …,.. __ — CountG of Copr,er Partieloa ill Colleetiotu, at Socorro During Per1o4 lul.:y 25 to August l , 1949 f '

(Roduced o Particlen per 102 J.i tera of’ Air) Comr Counts ind* l • 15 15 • .30 30’ Collec . Timo Elapsed Direction M1c1·on YJ.cron .U.cron.s Date Hour time knots Range Range 7- 25 10 m.. 13 . 5 NN\i • 9 l 4 l .. 13. s 0 2 2 -7- 25 2 Rf 17 . 5 , ‘1 4 l. l .. .. ‘1 , l 0 0 ’ 7-26 8 35 . 5 tn 8 0 0 - 9 lit ft) 0 0 “’ “’ lit ‘It “’ 0 2 2 7- 26 2 I’}.{ 41. 5 ~-20- -::> 0’ •- 7 18 1 0 lit “’“1t ‘ft <-22 –> 0 " 7- 27 7:.30 ‘11. 0 Im • 8 l 0 0 ‘7- 27 1:3() PU 77. 0 NR • 6 23 0 0 .. <ft “’ 8 0 0 7-P,8 7:30 AM 95.0 r,m, -3 0 l 0 .. .,. 0 • <’-28-.> ‘1-29 7: 30 ~ 119 . 0 s -7 4 0 0 7- 29 4, .,/1,: 127.t> ESR -10 (f—28–> l • • 15 0 0 " 7-30 10 14:5. 5 SE - 4 2 0 0 “’ .. • 8.3 l l ’l• Jl 10 Rl l.69 . 5 SSE • 5 4 0 0 lOf.,JU • + • 3 0 0 10+ A4 2 0 0
♦ “’ 8-1 9 : 30 ! 19,3. 0 N - 6 17 0 0 • • .. 6 0 0 “surt’ace ind recorded by eather Station o.t time nearast collection time . NND 58378

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…. Attention is called particularly to the l arao !lumber ot small particles in one at the 145-l/2-ho-.ir collootione . The actual nl.I!lber in the colle’ltion was 140 , tor the r ive-oinute run . l.!ost of these l’lere in the size range of’ tTJO to f1 ve microns • and the principal difficulty in assoctattnc them 111 th the fireball is that a five micron par\1cle cannot tall J!lUOh more tho.n l0 , 000 foot in 145. 5 hom-s. These part1- olea could have ccr:ie down from a greater height only it’ sol:!& downward motion hfld tc.k:en place in port of the a1r 1nvolvet . It s h ould be oant ioned. that collections were t aken during t be at’ternoon of Ju13’ 27 , at several pointa eouth end east ot Socorro , tbs fartb.eot being near Binche:a. These oolleotions ocntainod pcrtiole~ giving cop per indic ations , the :particles being i n tho •a;?¥!) range ot sizes as those collected in Socorro at about the &a.":le ti’C’.b. It is perhaps noteworthy that the cop_per- b oari ng partic les 1n all these collec tlona were of opaque material . I.oat ot the co:;,per minerals tbat h uve previously- come to our attention 1n collection• rrom the air have been oolored material , blue , green , red , or yellow . C OBALT AND NICKEL TESTS In the 2 t 00 J.l • collct i on of J"ul.y 26 , three qui te re:::iarkable particles were found that save very strong c oba1t indications . The p articles were apparently por :reot spheres (at l e ast thoy were pori’eetly circul.ar in cross section), twelve mic ro!ls in diameter . The reaction with rube anie e.eid , after at!nOnia tr entmant , pi•o dueed a dense yellow-ten halo, eixty mi crons 1n diameter . The color v.ao not quite so clear es with pure cobalt: the e.ppe arance sU;;gestin.g e. high-cobalt com,vosi tion with so metal. prosont . Such particles are quite uniqne i n the axporionce or the present . , It’ these particles wore of mete oritic orictn they cw ld , in tho absence of verticul oi r IJOV«llSnt , have f’al:len a d1stO!loo of the oi·der ot 20 , 000 feet 1n an i nterval or 41 . 5 houra . Two particlse giT1ns nickel indication.swore round . ~a is quite nomvl , llo , ever . It anything, the number is smaller than x::ight have been expected in material of aurt’aoe ori<;in . The collections ware not g iven acid treatnent: additional nickel indieations might h &Te been ‘i’ound it t his had be en done . A oUOGEB TION hile the r&aul.ta o!’ the present investiga:Uou ahould be re carded as ne gatt -vo or , inoonolusive , it i s desired to call attention to the faet that a coan.s ia at hand that obould r..al:a .PQAsiblo a definite demonetration of tho presence or absonoe ot cop per :particl es asaod.ated wi th events or the July 24th type . rartlo l.e c ol lectlon equipment , operati ng on the s .:mie principle as that used in th e i:resont inTestigat1on , and der;igned tor airple::ie installation , is on hand and 1te suco&esful operation has been dooonstrated in numeroll s sli gh:ta. Provision NND 58378

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…… ..,,,,,, t .. could easily be made ror quickly nountins this equi~~ent in an airplane cap&ble ot o.s~~enaing above the 40 , 000- toot l evs l, wllieh couli teke otr soon otter an event ot the J’uly 24th kind, and fly a pattern that would inelud o n itl:. reasonable certainty sO"C!e or the nateriol originating at the nete or u-ajectory. A g_uiek approximate deteroination of the tTejeetory wo11ld be required , of course , Wld 1f winds aloft wore or considerable strength 1 t muld b& nocaseary to make due allowance tor ttlc:t:1 1n planning the :flie}lt . UOT ADDED <l-l AWUS1’ 10 1 1949 : Ao this report ,1aa being 1'1n 1shea, an ntte:ipt naa :oade c.t on. airplane oollection 1’ollOm.ng the event o~ uzust 6 . The oolloetins eguiPmQnt ,1as installod in a B- 25 from Kirtland Field nnd on the o.f’to:::-noon or .ugust 8 , a flight wao ,u1e l!.«lich a was hoped m18ht intercept somo of t he meteor itic material . An Int erval or 41 hours had pussed before the take-oft , and the :ma:dnu.n al t1• tudo roached waa 2.3,000 i"eet . A rough attenpt was :!lade to include air tho.t wae under the trajoctory, but distanl’}eo or sevoral hundred miles nore involved . A few oopI,>o:.. ind:!cations were obtained, but they seemed definitely to be associated mth material of surface oricin. l,o nickel or cobalt indications were ~ound. AD. 0lcJ1or ate stud.7 , which m.tq require more upper a ir data than ls available , should be oude before 1 t is decided metber or not the t’lieht di a aotue.1 ly include air that 8hould have borne FOrticles trcm tho etoor trajectory . NND 58378

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• ’ e Au,..i:rust 17, 1949 ‘1'0 : Colonel Doyle Rees FROU : Lincoln 1ePas SUDJ"EnT s Momaloua J.uminous Phenomona. Sixth Report {attempts to colleci volatili sation woduots trom en fireballs) (1) In an earlier repori it has boen pointed out ihat in spite ot eir SDd ground searoha 1n early February elong tlle nll detem.1nad earth-trace ot the green nreball ot 1949, ianue.ry 30th no :tregmenta of this ti:roball were recovered . ’l’here re::iatnod the _poso1t1li ty “that tbia fireball had been so ooopletely Tolatilizod during tl1sht that oaly tine dnat !‘ram it filtered down thru the atmosph&re. S1no e, fo::- several reasons, 1 t eeerced ore probable that a uoh dust would consist chiefly or copper or a copper alloy rattier than ot the ferro- • magnetic aubstanoes found for ordintn-7 metoorites . the oethodo habitually en ployed by metoori tic1ots fo1” the c olleetion at •come duat• ( separation ot the dust trom the air by uBO or eleetroI:Ja.Gllets or permanent magnets) muld not be appropri ate tor use in conj]_ee t ion with tho s;reon i’ireballo . It was there.tore decided to cn11nt th aid ot Dr. illiwn Orozier , -d’:l.o waa knownto 1’.ave developed a novel 1mpac tu.•.; duat collector f’or UDe o_n the ABrosol Projoct or tho li’ew l!enoo School of’ l!ines . (Tho ‘Wr1 ter hed bean elo.:sely aasooiated, in 1943-44 , with Dr . Orosier at Km1 JJenco Proving Grounds mile .orking on saboted. and prorlm11;y fuoed shells and kne\7 ·that ho hrsi aat1sf’e.ctory clearance .) Dr . OrozJ.er not onJ.y agreed to partio 1- pnte in a cround- 1.ovel search ~ or dust poslbly put doun by the f’irebe.ll of’ an- uary ,30th, but mede the valuablll sug e eation that dust oollect1oll.6 be made on plene flights routod bti.ek and rorth at high altitudes through the air benoath green t'1reball paths as soon as possible after t"ireball tall. ln this manner eonta:ni- nation ot ttle aust colleetioll8 by tar1·eatr1al particles ‘10Uld be reduced to a minimum. No ir:mediate application Wat:J made ot Dr. Orozter• o dust collection teohniquee • in pa1-t because ot th a m-1 ter’ a re11urn to fUll ttme ncade.!.11.c work at the m on Febru,47 8h and in ;part baoause o~ Dr . Crozier’s other ;rooec.rch e.cti’Vities and the interrUJ.)tion11 in Reoearch and Deve lop:iont D1v1 B1on work i.nei- dent to the A.E. O. ’ a tek1ns o’Ter the ilbuqunque quarters or the Division . (2) When it m,.s determ.i?l9d th.at the green 11reball of J\lly 24.tll liod descended 1n. the im»diate vicinity o~ Soco:L"ro, it was decided to ask Dr . Cro–‘1er to attempt colleotio:ns even though he and bis start were then eneaeod in tbe tinal st ages ot mov1na from Albuquerque to their new quarters on the Campus ot the New 1-l&xieo School of 1!1.nes, A long distance ¢all to Dr, Orozier on J’uly 26th brough.t the weleorna news that be he.d been alerted by an appeal for observations issued by the Insti tu~ of !!otaorittos on tho evening at July 2,th end ha.d al.rood7 made du3t collections on the campus at Socorro on the morning ot J’tily 25. These collectiono , to Dr . Crosier’s en.dent surprise, nre found to oontcin not only the tlrst coppe~ particles he hod ‘found.in air duet col1-eot1ono bu’t these I>ticles were or unusuallt large ai!Be - up to lOO microns in maximum dimeneiorut. On roceipt or this exciting tn:to:ro.ation , a party 11u 61apatched t"ram 17th Diotrict o. ~~.I . Bdq_e . to confer with Dr . Crozier ond to~~makc e field search tor the i’irobcll ot :Tu.ly 24.tb. This part conBisted at Uajor Charles L. Phillipa (courteously ma.de avaiJ.able tor ’the trip by Colon.el Harold ~ Gunn, C .o. ot Kirtland Field) Hr . })aul Tatt of the li . S . ,eather Bureau in Albuquerque , S/A la.ck .Bolino nnd the underaigued. A conterenoe rtth Dr . Crozier end er . &,n Seely ma held on the School of w.nee cam;pua in Socorro bet\lOon NND 58378

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10 : 00 - 12:00 A. J.1. on .Tul.y 26th . At this eonterenoe it beceme ep:parent that Dr . Crozier wao 1nolln ed to attribute the unuauall7 large copper fragcenta collected on .Tuly 25 at 10 , 00 A.. l! . (-.bich because ot their size could not h&vo been blown “fer, tar by aurtace 111.nds•) to particles blO\l’D. off the root or out ot the a uttere ot t he Aseaying Building on the Campus . In answer to e. queation from the writer , Dr . Crozier replie d that he would oone1der this pose1b1llty ruled out it copper pm-tioles ob.owe d up in colloctiono cade in t.he open oouum at considerable distance• trCX!l the Campus . It wao tharotoro recom?;.ended th~ such oolleotions be made @d Dr. Crosier and t•.r . Seely rigged up a atonge battery combination and B!llall D.O. J!!.Otor driven 1DlJ)aotmont collector- 11h1ch were loaded into the o.s .t. etat’t car and driven out through San Antonio , Carthage , and B1ngbom, No •enco (this route passing , in ~ . Taf’t ’ o opinion , throueh the re gion where pnrti~les tran tile tireball ot 1ul7 24th woo ld most probably have been oarr1ed by the Tery li g ht win.do provatlins in the re g ion ainee the ino1- dent .) Four ot tho collections mode on th io trip W81”$ examined on tho eveniDg ot 1u.l.)- 26th by • Ben Seely an4 all were found to contain c opp er particles 1nd1stineu1chable trom :those colleotod. in Socorro at about the omne time .

(3) Pull detail.a on the mathod.e ot collection enployod by D:t- , Crozier end Mr . Seel.T and on lata:r examinations of e dust l)Eμ’ticles collected af’ter the graen tueballs or both J’ul.7 24th Cl1.4 August 6th are given 1n Dr, Crozier •• i-aport (R/D - tw, 8-10-49) copie11 of whieh are hereto appended. Dr ; Crozier ’ s tenta\1 ve oonolusion trar:i study’ ot the collections mal.e, not only in eonneotion with the incident o .July 24th , but also that o’t Aucuat &tb, ts that •the reBUlte ot the prosont inve ot1gaUon should be regarded as neg ative or inconclusive ,• From anelys1a or hie rort (R/D - tw • 8- 10-49) end trom. several phone conYer satlona with Dr . Crozier , it io th e writer• belief’ that Dr . Crozier was led to the abow conolwsion by the tollowing taote listed below 1n docreaelng arder or iq,ortance , md aooa:;ipanied by er! tioel OODn8ntat ' ( .3 .1) ’l’he d1scoverz by tests t:iade on or about kpt l of ., a few oo r indications 1n dust collected at Socorro on J 14 l.949 i . e. ten dgre betore the men fireball 1nc1den, ot J’uly 24th. Dr. Croz er baa 1n1"omed the writer that tbs oolleotion ot July 14th wns ·care:t’lllly wrapped up end could not have becom conte?!linated by copped dWlt ‘1h1oh blew 1n through the open win dows ot the n .D. &J>. Building at Socorro attar the 1no1dent ot July 24th . I!o'7- tner , ther e remains the poss1b111 ty- that an ‘Qllol:eerved or unrepo rted green t ire- ball occurring in the Sooorro neighborhood ehortly before 1uly 14th put down the copper dust round 1n t.be July 14th colleottaa. To one tccn1l1ar with tb.c al.!nost uninhabited country, around Soeorro md t.he tact that green tireballe aa bright as the halt mon occurring at timea as favorable tor observation u ‘1 : ))

8:30 P .u . have gone alriost unreported , 1 t aecms quite likely that a green :t"ireball that tell arter midnight or during the daytime or while most or the s1.7 was overcast tli s bt go entirely unroported.) (:3.?.) The d1aore ane between the co.!!ll>uted an! observed rates of J.escent ot .er,· tine copper particles . A.9 Dr. Crozier notes , such d!screpon c1e• are Wl.deratandable •it eome dor.nward motion had taken place in part of the air involved.• Preo1sely wch dovm”:18.rd tl.Otion oocurred in tha air near tho real paths ot the f’lreballs of 1uly 24th and 111-rost Gtb tor ttleoa to.Us were nenrly Tertioal. ll’urtbonloro tho best obaervatiOllB ot tho endpoints of these tireballa ple.ee 1hat ~ .T'117 :?4th at a bight ot ltl - l2 miles and that ot A!Jeust 6th at 5-6 milsB . ’l’he downward directed bill1st1o head wave therefore coald Yery easily have carried Dr. Orozier’a 145 hour particloe to m thin 10 , 000 teat of the earth at NND 58378

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.. b IJ •the time of fall . Sinea we cannot assume co mp lete stagnation ot the air rnu,ees 1n the Sooor1"o nei Bhb orhood tor 1 45 hours . it must be supposed that such air motions aa occurred were approximately compeuating and resulted in the return ot Dr. Crozier ’ s tiny •r1ve -.:u.cron particles” to the Socorro nei ghborhood in a.p_pro:d.mo.tely 145 hrurs . Only a detailed otudy ot air .ll!4SS c.otiol!a ror the time interval ilTod can settle this point . ) (.3 • .3) The lo continued Q: ea.ranee of co r particles (however • -as Dr. Crozier emphasizea, S’::l8ller end smaller 1n size . 1n the Sotjorro collection.s . ( Preoisely sueh a decrease 1n particle size hao repeatedly been observed in connection w1 th duat oolleotions believed to be ot metoori tic or.lgi n and is attri b- ~ uted to the slower e.nd slower rate ot descent of the particles as their average Bize decreases. Thuo , L. Rudaux’s ros’Qlta strongly indicate ’that particles :from the • 01aoob1nid shower ot 1933 , Oltober 9, filtered down in anallor md Sll18.ller sizes tar 100 hours or more. Fm-ther.m.ore , tor the green fireballs ot J’Uly 24th and August 6th , U,.o nearly ver:t1eal real paths extended from alt111udtts of lDO mile& or more down almost to ground level an4 therofore optimum conditions for long continued intall of duet particles wre approached in these fallo . ) • (3 . 4) !‘allure or the airplane collection ot August 8th to detect ~ bor ne co ner rticles def1n1tel not ot terrestrial or11n . (How&Ter , the airplane eolleotiona vero all made at great distanoee hundreds of ailea) rrom the Vaughn region in -r.-hir.h tho fireball of Auzust 6th i"ell; and , ea Dr. Crozier points out , at the mo:.nent 1t can not be determined “whether or not tho :tlight d1d aotuall,7 include air that should have borne partialee .f’ro:n rmteor tre.jei:,tory . w In this connection the results a1luded to in para.:,”’!‘aph 4 , belcnT• may be or considerab l e aigniticonce.) (4) At the ttmo the airplane eolleotion of :uguet &th was plamied the writer reoamnended not only tha.t the t’ l1ght traverse the area fram Vaughn northward to Raton and · then NW- ward into the Durango, Colorado re ~~ion (a reconimandation based on advice received trom l!r . Po.u l Taft of tbO u.u. eathor Buroan) but aleo tb.a~~ .s1mu1taneoualy a ground search 1th the portable i npaotmcnt dust collectin,z oq_u1p ment rigged up on J"uly 27th be run i’roa Va\l8hll through Future. to S anta Rosa . Tlle latter po.rt or thin reoomremdation was rollowed by Dr . Cro zier l’Zho reported on the results obtained in hia letter to me under date or August 10 . copieo ot which are hereto attached . Dr . Crosier ’ s letter makes clear that ground collec tions in the subt1nal regions or tho fireballs of both st 6th ond J\lly 24th resulted in the dotootion or unu.eual. aggre gations otcoppor particles , .lppe.rently the copper IX1rticle aggregate o’btai.ne4 in collectioA R - l04L, m.thin the subtinal resion ot the August 6th tall was the only such aegate rou:id in Dr . Crozier ’ s lenghty ground search or quet S-9 . 111 aeema :particularly oi(‘Uificant to th& writer tbat Dr. Crozier auapoets that tho copper dust :round 1n this particular eolleot1ou R- 1Q4L ntsy have been stirred up troa tbe pavemnt on Illgln’lq 84 — a likely oatol:dent airfaca for dust put down by tbe green f.’lreball of. August 6th , in view or the information g iYen me by Ur . T8:f’t in regard to tba wind direction pre•aillng dtn"ing the hours !mediately following t llie incident. (5) 8 In apito or the critical ac:mnenta m.ede in porezraphs 3 mid 4 above , the writer hes no quarrel with Dr . Crozier •• oonclu.aion that the resulta ao far obtained in the investigation of volatilization product possible put down by the green 1.“1.roball.e are ne gat ive or at best 1neonolU81ve. ,However, I do wiah to stress noat emphatically that 1:r :tuture more detailed ,,ork shon that the nuzcer oue copp er part1oles tound by nr . Crozier and Mr . Seely .!I!!. indud floating don ~ NND 58378

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. • • … ….. ~ .. • ~ t’rom green fl.reballis, then the fireballs are not conventional .tSteorites . Col)l)er is one or tbs rarosl or the elements tount\ 1n.nie’teor1tea (See G.P . Uerrill • Memoirs National Aoade:my o~ Science 1 vol. 14 (1925) • Table f ac i ~ P• 27; and Harr1aon Brown, Journal ot Geology , vol . 66 (March 1948 , ) ’l’able 1 , p . 8'1 . ) In :taot , I know or no case 1n Which el’en the t1riieet particle o:r co;pper hes been reported in a dust collection eup:poeedly ot i:,eteoriti c or1;;1n . In view ot present oonoorn in re gard to tbe true nature o~ the green :t 1reballs , nothing could exceed in i t1port0Me attailll:llent ot a. definite cor..-iluston in regm-d to the origin o:t tl:le 0OJ’per particl&s detected in the eub:tinal re gions of the firobulls or July 24th and .(i.ugust 6th. . .(6) The writer therefor e wishes to make the :rollow1ng reco11:1?1endationa , (6 . 1) That e.rraneements be made tor dust collections on airplane ‘flights at altitudes or 40 , 000 tt . or oore through ~~he regton ot the atcloaphera lying beneath the real puthil ot green fireballs as soon as possible after the occurrence ot s~~h fireball 1nc1denta . Such arrangements preeupposo a wll coordinated observing network pertlitt1ng t:te epeed1eet possible determination ot the looation or the real pathl"I in the atnosphere . (Dr . Crozier and Mr. $eely have both agreed to cooperate in carrying out dust colleotion at the htghest altitudes attainabla . In Dr . Crozier ’ s opinion , a B- 36 or 50 should be made available tar such work . ) (6 . 2) 5:!lat crOUJ1d - level dust oollect1ons be made along tho well deter mined earth- traee or the green fireball of 1anuary 30th , using the portable impaet .ment equiptBnt al.reo.dy rigged up by nr . Crozier and ur . Seely and used in the e;round searches ot J’uly 27th and ~ust 8• 9th. I:r copper particles can be recovered along this carth..tro.ee but do no, appear in colleotions made 50 miles or eo et1ey trm the trace , the z,eaul t -=,ul.d be ot much signiticmoe if not indeed deeisi vo. NND 58378

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J ~ fit J },· HEADQUARTERS. SANDIA BASE ’ 1’ ALBUQUERQUE. NEW !’?.~{98 1 .,.. (1 0 I Tl·H.., OF ‘f / r SBOP/4 3 3 3 , I L- NO , — 1— REFER TO FILE NO . SUBJECT : Board to Inspect Special u1eapons Facilities at Strategic Air Command Stations TO: Commanding General Strategic Air Comm.and Offutt Air Force Ba se Omaha , Nebraska 1 . Reference is made to Top Secret letter, your Headquarters, subject: • “Speci al Weapons Training Facilities at Stra t egic Air Command St a tions,” dated 29 November 1949, Short Title: B- 3000, which proposed an inspection tour of Strategic Air Command stations to determine adequacy of station plans for Special Weapons training facilities and recommend a priority and time schedule for Special Weapons Unit assignment to Strategic Air Command stations . 2 . This Headquarters concurs in the basic objectives of the proposed board and its general p lan of action . Capt . Barnes wil l represent the Plans and Operations Division of this Headquarters and Lt . Col. Olson , Commanding Officer of the 515th Aviation Squadron, will represent the 8460th Special Weapons Group . I t is not possible at this time to comply with your suggestion that the 8460th Special Weapons Group be represented by the Commanding Officer of the Special Weapons Unit scheduled for assignment to the station being inspected . 3. It is recommended that the work of this board be supplemented by a similar board , to visit the st a tion con- cerned about thirty (3 0) days prior to movement of a Special Weapons Unit to th a t station . This second board could then verify the rate of progress of facilities preparation and the adequacy of the pl ans at that time , and solve many of the administrative problems inherent in the transfer of

,e ' NND 58378 v

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• THIS DOCUMENT CC’ ,s,srs OF ___ ‘3-::PAG F S’ COPIES, SERIES /c;: NO. —–t ___ O (’ Subj: Boar d to I nspect Special Weapons Facilities at Strategic Air Command Stations any unit to another command and station . It is suggested that this second boa rd be empowered to recommend readjust ment of movement sc hedule as circumstances ind i cate . FOR THE COMMANDING OFFICER : D. H. G1’l.NN .._ LCDR USft Executive Otti,.,.., Di st r ibution: la &2 a - a~dressee 2 NND 58378

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NND 58378

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• I I B/L :from Sandia Base to SAC, dtd 5 Dec 49 , subj : “Board to Inspect Special Weapons Facilities at SAC Stations SAC 353 (5 Dec 49) 1st Ind D02C HEADQ,UARTERS STRATEGIC AIR COJ:lM.AND , Offutt Air Force Base, OIIY:lha, Nebraska I 9 LJ EC 49 TO: Commanding General , Sandia Base, Post Office Box 5100 , Albuquerque , New i~exico 1 . This headquarters concurs, in general, with basic communica tion . 2 . Reference paragraphs l and 2 , basic communication, inspection board has completed inspections . 3 . Reference parag raph 3 , basic communication, this headquarters is directing the Eighth and Fifteenth Air Forces to designate personnel from units concerned to inspect aviation squadron facilities immediately upon receipt o:f notification from this hea dquarters . Notification will be in the form of an information copy of Strategic Air Command request for movement of aviation squadrons . Your headquarters will recei v:e a copy of subject requests. Inspection will be completed no later than. fifteen (15} days after recei pt of notification. Your command will be requested to furnish personnel for inspection teams . FOR THE COl'.iMANDING GENERAL: 1 Incl Cy of ltr fm SAC to 8 & 15 AF 4. B. MONTGOMERY Brlgadhr General. USU’ D1reotor ot Operatlona NND 58378 5pt1f?-tJ-.JtlIZ ~H.OR.1 T1l

– 17 of 116 –

NND 58378

– 18 of 116 –

…. ~ -). ’ (‘1 l-lEADQUARTERS STRATEGIC AIR COMMANb .. DO’-’…O OFFUTT AIR FORCE BASE It ti~~~~:J. ,…..OMAHA, MEBRASICA

-· ‘Sti"BJECT: tnapoction oi” VQC1al eapon:, Faoi11t1oa at St1:ategio .Ur Co::mtmd Sto.ttono ‘O: Coill.m.natng-Goneral Fifteenth Air Forco t!at’ch Mr orce D.!leo Cal1torn.1a l. Your attention ia 1nvitod to the inclo"Bod basic cozrllllunlcet1on ,,__ nnd first ixtdnl’&e ent tberoto . itt is requestod toot your hea.dquerters designato porsonnol to inopoot aviation aquadron taoilities of iour commd iomediately upon recoipt or noti~~i.;::.t ion fi’Om this ‘heado.uarters . rotitication will ‘bo in tbe form efaii in.for. tion copy of “’tra.to,zi~~ • ..1:l.r Oonun:md roquost for move: ont or aviation oquuclro.rw . Inspootion ie to bo col?ipletod not lo.tor t’l)an f11’toan ( 15) de:ro aftor tecf)1.,Pt ot notiticatior • …. 111 :•.‘urn1oh ;reprose:ltativc l)orsonnol tor illllpoctiona . upon your request . ‘2 . ‘Upon coeploli10n 01· inspootlona , any di6<:,repancics noted ,ill bo oded to ~~hio hoadgunrtera tocottlor Ii.th any roeoOMonlint1ons that 10uld fac111-tutc t’ronsi’er ot -subject squadrons to tll.1e comrond . 3 . Direct co~~Ullication ~1th- Sandia Do.so is c.utho1·izc;l tor tho pur,POoo or coo1·ainatins tbi-s rnttor . itt CO:!lWID OF llll!O’l’ UNT GmERAL LeMAY : 2 tnele l . b/l i’roI!l :..andiu to 6/..0 2 . :l-et :Ind :t.’-ro,.:s AO to Sa.n6ia NND 58378

– 19 of 116 –

I ., DEPARTMENT Of” THE AIR f"ORCE .. HEADQUARTERS UNITED STATES AIR FORCE WASHINGTON T H E: I N ■ PCCTOR QIENE A: A. UaAr 1 7TH D I STRICT Of’F I C E OF S PEC I A L I N VE ST IOAT IO NS K I N:TL. N O AIR ,.O R CI: II A ■ lt, N&W M &>llCO DR/ms File llo : (24 - 8) -2 8 25 I.iay 1950 SUBJECT: Summary of Observations of Aerial Phenomena in the New Mexico Area, December 1948 - Uay 1950 TO: Brigadie r General Joseph F . Carroll Director of Special” Invest.i g ations Headquarters USAF Washington 25 , D. c. 1 . In a liaison meeting with other military and g overnment intel ligence and investigative agencies in December 1948 , it was determined that the frequency of unexplained aerial phenomena in the New Mexico area was such that an or ganized plan of r ep ortin g t h ese observations should be undertaken . The organization and p hysical location of units of t h is Dis trict were mot suitable for collecting these data , t h ere f ore , since December 1948, this Distriet has assumed the responsibility for collect ing and r eporting basic information with respect to aerial phenomena occurring in this general area . These r ep orts have been distributed to the Air Materiel Connnand, USAF , in accor d ance with Air Intelligence Requirements No . 4, and to other intereste d military and government agencies . 2. The r e is attached . as a part of this summary , a compilation of aerial phenomena sightings that have occurr ed mostly in the New Mexico area and have been reported by this District Office subsequent to December 1948 . This compilation of sightings is not a complete r e cord of all reported observations, but includes only those in which sufficient information was available to justify their inclusion . The observers of these phenomena include scientists , Special Agents of the · Office of Special Investigations (IG) USAF , air li ne pilots , military pi lots , L:ls Alamos Security Inspectors , military personn e l . and many other persons of various occupations whose reliab ility is not questioned . This com pilat i on sets forth the most important c h aracte ristics with r espect to each observation and evaluates e ach si ghting into one of th r ee classifi cations , (1) green fireba ll phenome non , (2) disc or vari at ion, and (3) probably meteor ic . 3. There is a lso att ached an analy sis of th e g re en fireb a ll occurrences in this area made by Dr . Lin c oln IaPaz . Dr . La.Paz is the NW 91526 EOJFIDE~ JTli\L

– 20 of 116 –

• . . . .. eor~FtDEr <rftAtl • File No: (24 - 8) - 28 Subj : Stnnmary of Observations of Aerial Phenomena in 25 May 1950 the New Mexico Ar ea , December 1948 - May 1950 Di r ector of the Institute of Meteoritics and Head of the Department of Mathematics and Astronomy at the University of New Mexico . He was Re search Mathematician at the New Mexico Proving Grounds under ah OSRD appointment in 1943 and 1944 , and Technical Di r ector of the Opera·c ion s · Analysis Section, Headquar ters, Second Air Force , 1944- 45. Since 1948 , Dr . LaPaz has served on a voluntary basis as consultant fo r this Dis trict in connection with the green fireball investigations . 4·• On 17 February 1949 and again on 14 October 1949 , confer ences we r e held at Los Alamos, New iexico , for the purpose of discussing the green fi r eba l l phenomena. Representatives of the following organizations were present · at these meetings : Fourth Arrrr:1 , Armed Forces Special ‘,1feo. pons Project , University of New Mexico , Federal Bureau of Investi gat ion , U. s. Atomic Energy Connnission , University of California , u. s. Air Force Scientific Advisory Board , Geophysical Research Division Air Materiel Command USAF , and the Office of Special Inve sti gat ions (IG) USAF . A lo g ical explanation was not proffered with respect to the origin of tho green fireballs . It was , however, gene ro.lly concluded that tho pheno mena existed and that they should be studied sc ient i fica lly until these occur r ences have been satisfactorily explained . Further , that tho continued occurrence of unexplained phenomena of this nature in the vicinity of sensitive install at ions is cause for concern . 5. ·The Geophysical Research Division , Air 11ateriol Command , Cambridgo , Hassachusotts , ho.s recently let a contract to Land- Air , Inc ., Holloman AFB, Alamogordo , New Mexico , for a limit ed scientific study of green fireballs . The results of this scientific o.pp roach to the pr oblem will undoubtedly be of great value in determining the ori g in of th es e phenomena. 6 . This sununary of observations of aerial phenomena has been prepa r ed for the purpose of re - emphasizing and r e it e rating the fact that phenomena have continuously occurred in the New Mexico skies during the past 18 months o.nd are continuing to oc cur , and , secondly , that these phenomena are occurrin g in the vicinity of sensitive mili tary o.nd government installat i ons . 4 Incls 1 . Summary of Sightings 2 . Photo of Sighting No . 175 w/oomments 3 . Ltr fr Dr . LaPaz to Lt Col Rees, dtd 23 May 50 4 . Graph indicatin g maximums 2 ~ _____-;, ;( ~ · —=- · f, ,,. • iii :,1,,.. _,, \ . .t!- ~~- DOYLE EES Lt C lon e 1, USAF Dis ict Commande r NW 91526 COP4FIBE~~JTlt\L

– 21 of 116 –

File No: (24 - 8) - 28 Sub j: Sunnnary of Observations of Aerial Phenomena in 25 May 1950 the New Mexico Area , December 1948 - May 1950 DISTRIBUTION : ’ cys , Di r ect or of Special Investi g ations , Headquar ters USAF -J: 8:f–j CG, Ail’ 1'8.oeeriel C ~~tl?a,&~~oreeM: A.i’B;-~~ , • -NPffl; Bix ec bo1 -o£ Techni ca,) Intel~~~ 1 cy~ CG , Special Hee.pons Command , Ki r tland AFB , New l.!exico 1 cy , CG , Ar med Se r vices Special ·weapons Pr o ject , Se.ndia Base , New Mexico . ATTN : J- 2 .J-e,’,,- C-a-,- Mee:ef!flste.-m;e:r:s , Eo~…A.Any~~ , 1 CO , Holloman AFB , New Mexico cy • , ~~-e&ea~~-t-Gr:i,oe , C8.Jft&N,e , Mae l!I”• Di r ecto r, Security Division , U. s . Atomic Energy Commission , 1 cy , Los Alamos , New Mexico . ATT!l : Mr . B. o. ‘Jells 1 cy , Federal Bureau of Investi g ation , El Paso , Texas Federal Bureau of Investi g ation , Albuq uerq ue , New Mexico 1 cy , J cy, £\i r F arce Scie.ntke4J:Uso1y Boaz ~~nite.~~on Iha~~ ATTN· Pr A~~s.apQ Kep.J.M _ -ii~~~ffl”-8:!~~➔e¥~~“9tl~~n-e i e&Fe.. Pe:n ta wm RlliJc.a:i:~~ , A~~P • H, E, LoR&e-ber–g;-&,ceecttiv e DiI e c bur , C~~toe on G~~s~gs end Geog.rerftY 1 cy , File NW 91526

– 22 of 116 –

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– 23 of 116 –

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– 24 of 116 –

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– 25 of 116 –

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– 26 of 116 –

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Page 10 81.umne.ry of Sightings of Unknown Aerial Phenomena , 17th District OS I ( contd) •NW 91526

– 32 of 116 –

Su.mme . ry of Sightings of Unh1own Aerial Phenomena , 17th District O SI (cont) Pa ge 11 … .NW 91526

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Sunm1e.ry of Si ghtings of Unknown Ae ri a l Phenomena , 17th District OSI (co n t) Page 12 NW 91526

– 34 of 116 –

Summary of Si gh ti n[j s of Unkn own Ae r ia l Ph eno men a , 17t h Di st ric t C•SI (c 01, t) Pa ge 13 NW 91526

– 35 of 116 –

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Summary of Si g htin g s of Unlmown Ae r ial Phenomena , 17th Distrid; OSI (cont) Page 1 5 NW 91526

– 37 of 116 –

Swm nft ry of Si gh tin gs of Unlmown Ae rial Phen ome na , 17th District OSI (co n t) Pa ge 16 NW 91526

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– 39 of 116 –

· · Summary of Si ghting s of Un knmm Ae r ial Phenomena , 17th Dist ri ct OSI (cont) Fage 18 1 00 10 Aug 210011 R Camp Hood , 2120! Texas 2215! !22 50j .. .i . .. .. .•.. ·-·· · –···- · ·· t ·-·· ···········i·

_ ,_:.,. … …

:

· ····–· ·· ·l· ·· ·· NW 91526

– 40 of 116 –

Page 19 Sumrrw. r y of S i ght in r;s of Unlmown Ae r ia l Phenomena , 17 th ~istrict OS I (cont) NW 91526

– 41 of 116 –

Summary of Sightin gs of Unlmown Aerial Phenomena , 17th District OSI (co n t) Pa ge 20 NW 91526

– 42 of 116 –

Sunll’!l D. :r J of Si ght i ngs of Unlmow n A eri al Phenomena , 17 th Di st r i ct OS I (c on t) P age 21 NW 91526

– 43 of 116 –

Pa ge 22 Summary of Si g htin gs of Unknovm Aerial Phenomena, 17th District OSI (cont) J NW 91526

– 44 of 116 –

Sunmiary of Sightings of Unknown Aeria l Phenomena , 17th District O SI (cont) Pag e 23 NW 91526

– 45 of 116 –

Summary of Si g htin gs of TJnlmovmAerial Ph enomena. , 17t l1 Dist r ict OSI ( c ont) Page 24 NW 91526

– 46 of 116 –

Summary of S i g htin g s of Unknown Aerial Phenomena , 17th District OSI (cont) Pa ge 25 ..NW 91526

– 47 of 116 –

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– 48 of 116 –

SU!lll:.ary of Sightings of Unlmovm Aeria l Phenomena , 17th Dist r ict OSI ( cont) Page 27 NW 91526

– 49 of 116 –

Page 28 Sumn, ary of Sightin r; s of Unlmown Aerial Phenomena , 17th District OSI (cont) NW 91526

– 50 of 116 –

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– 51 of 116 –

Par.,e 30 Su.‘Tll’llary of Si•g it 1 i· ng s of Unl"“OVJ1_ 0 Aerial Phenomena , 17th D istrict O SI (cont) ~. " NW 91526

– 52 of 116 –

Summary of Si gh tin g s of Un knovm Ae ri a l Ph en ome na , l 7t;h Dist r ict OS I ( c ont ) Pa ge 31 ····· ··· ·· -······ ··· ·-·r · .. …….. . .. .. _ ( 2) • NW 91526

– 53 of 116 –

Sur.ima r y of Si g htin gs of Unlmovm Aer ial Ph enomen a , 17th Dist r ict OS I ( c ont ) Pa ge 32 NW 91526

– 54 of 116 –

··· . .. ····· · . • . Par;e 33Sumnary of Sightings of Unknown 1 e rial Phe:1.omena , 17t h District OSI (cont) 1==~ ,·, •- = · -:” " “"~~”;~~I ~ ··f =– —-~~•—·· :- - ::• ==– ·· ··- ~~– ~~;;-= -==–•— ·· ····• ‘"·;~~;= · =·~~:

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……… r ··· …… … ………. -· … · ·· .. · · ·· • - ·” ·1 !1 79 j-24T eb ine - jl !R j Los a la. mos , !Circled !cons id

!A

lu. mi- [Yes i2 jN o ne lSp her

jRat h er j-Srr a.ti c Un’movm l (

i I i lic al ;l rU"rro , ll Itweeri i !New 1’ lexico !t h en E :erable !mun ! I · ….. .. :alt H udei · · · ·· ! • 1 -t· ··- 1m~+ j ·I· . , i ··I j -~ j· ·· · ·· ·-

– 1 180 j 25 Feb i1 5 4:5 )2 jR !Los L la n os , J Heading : 30° ! Flash

1: one i 3 se c s tH one jC ircu
!S mall From very (

i ! i ! 11555: j Ifow E exic o !toward j35°
in g • :to 2 : !lar iair:;ilo.ne s lo w to i1 !! 1 I i i ’ !sround !above i~ilve r i mts i !lite ! very fast j. .. ~·· ·– -1– ~–)· -· ·· i ·· · ··· ·- -

····· ·· •·j . …. ………… .. . . /h:io~· ·· t ·· ··· ·· ··· ··· ·· · … .. 1.

·- ·•i•–l–·–

–·· · ·jf };; . 1._..

-+-·

· ··–·- · ·······- · –·-

-1 1181 fZ5 Feb !211511 !Unk jlbuq_ueque , !Toward S !App . 20° jA lmot \D .’ rir;ht !Yes !1 -?a- :Hone iTear- !3 .t i :rr . es I Sli e; ht lf Appeared to ( 1 ) j l l j i \1 1 , ew l.. · exico i 1above 1 vertical ( e; n i e:1 ,- l 1 secs l [d rop :size of a , slowe r -chan burn o ut .j I I : I . : . . ’ . . . : . l l l i i l ! horizon i j i sn . : l i !::hoo tin r; j f alling i 182 : 25 ;: to~tt

-:~.:;~~-,;~-

t;

.. i - ~

•• •• ••

t~:: ry ·~~: 13 ~ - • t,:.t~~:~ +’ ~~L • _ : ::~~:~~: ·:- ~~- ;:;:.:;:· ~~;; I 1~~!:~~~ I. .. . rt~~ -1- 1—,

– - - ~~·. ·· -· ··- ,~::~~~~
… __ J~ ~ _1 ' –L !-[xi~o- ; T– l-

!183 . i:. 25 Feb 14 10 /1 jR j Los A le .m os , !. :,s to N i1 to 3 1 !Ifoto.1- ii one i2 mts \1 fone lOb lon g i10 - 15 ’ 40 mp h :Yifent below ( 2) ! i i il’Jev; M exico 1miles at! : lie i ; i I horizon • : i ! i !300 ; ‘,. · ,,, i l ; 1 • I , _

• _ J _ :_ _ L _ __ . _

, _ —— —- —-···· .. · ··· ·· ··-·· · ····- ·: .. .. …. . … _. .. … … ..L.I __ ! _ I __ j _ __ ; __

__ L __ __ j

on	
___
	_ •
	__
	_,	
_
NW 91526

-- 55 of 116 --

Sununat"J of Sightin gs of Unlmown Aeria l 	Phenomena , 	17th District OSI (cont) 	Pa ge 34
NW 91526

-- 56 of 116 --

Summary
of
Si
g
htings of
Unlmown
Aerial
Phen o
mena. ,
	17th
District
OSI
(cont)
\
fe.ge 35
NW 91526

-- 57 of 116 --

Summary
of
Sightings of
Unknown
Aerial
Phenomena ,
	17th
District
OSI
(cont)
goi ng out
NW 91526
Like
	light
	( 3)

-- 58 of 116 --

Su.nuno.r
y
	of
Sirr,htings
	of
Unknmm
Aerial
Phenomena ,	
17th
Dist
r
ict
OS
I	
(cont)	
P
age
	3 7
--
··--
.....
,-
....
	.
..
.
Unk 	2 ob -	
I.;xccssive
I. !' 	•
jH
ev1
Ho
x i e o 	!
!a
bo
v e
. 	I
j	
jocts
	!mts 	i 	dime
	at
	to
	jet
	!faded
from	
j	
• 	I 	•
•
~
.·
.
..
..
..
-
...
1
..
·····
...
....
. ..l.
...
..
.. ...
11:
·
..
- ·
..
·· - ..
..
.
....
,
..........
.
....
--· -· ·•
..
·····
··
l,·
··
..
..·
-·
- ·•
··
-·"···r 
10 
r
1
zon
.....
,.!
.·
--·
·-
·
-·
....
·
..
·-
····
··
·
.silve
r
..
....
......... L
......
.
...
.
-.J·-
·-
..
- ,
I
...
..........	
~
.
~~
'
.s
..l en -
....
fli
.gh
~-·
·
···-·Jvicw
__
..
.
....
..
..
...
..
.J. ...
........
..
i 	1 	• 	I	
'20
1 	21 E
ar	
1300! 1 	IUnk	
~andia
Base ,
!rIB
to
SE 	40 , 000- 	I	
Varied	
i:Tono
130	
fi
one j
.K
ound
	Size of
	end About
	same
	Disappeared
	j ( 2 )
I	
New
1':c
::
ico	
I 	60 , 00
0'	
!	
l!·~~~y	
lmts 	I
:
~~)~~;n~t
::
ai
:t
air
-
!
j
I 	' 	i 	I 	!
i 	1 	j 	I 	I 	I 	.
~~lver
	1.
	;,:
	gth	
1.
shady
.gray 
mt s
l 	I
	New
Ee
;dco
	i 	(above 	1 	1 	j 	i	
than
fist	
700
mp
h 	/from
ran
ge 	!
- 	---X···-·
-·
.....1.......
J.
___. L
.......
J
~
......
·•
--
.
...........
._.J................. __
_J110r
izon
	L ..
...
.
...
·-·
.
....
.
.....
......
.....
.-
L.
-
....
.............
.
..
1.
.
....
.-
...
.
... ..
....
_
._
....
l.--
......
..
..
..
_.·
~~n::
's
·-·····--
··
···-
···-~·---·-Lof ··=~·~·i·=····· ....J
...
_
.....
.. .	
l 	i 	i 	j 	: 	i 	j 	! 	i 	!	
(203 	l21 lia.r 1
300j4
	!Unk
	jK
i
rcl
a
nd
	SE
to
S	
i4
0° -
so
0
!Zig- zag 	Br i
r;
ht	
Eonc [l mt 	Eo
r..
e Rou nd
	Size of
	About same
	jDisappeared
	1( 2 )
' 	j 	1330j 	!	
AFB
,	
lfo-r
1	
!above 	!motion up	
silv
er 1
l 	/dime
	at
	10.~
	fas~ jetifrom.
r ~ng0 	i	
! 	1 	!	
!horizon	
ll; down I i 	1ar m' s
	aircrart
	,·ofv1s1on
	i	
! 	l 	i 	I l on
o-
th	
, ' 	l 	l 	l
I
;~J:;
;~
~
::~o
:~-.
~
	~~
-
~~
~	::: 	-l~f-chang- l 2 5 . 000
-l
?nr faonta
l •
~
an t
0-\
,
~~
:
r~-
~
~T,i
one· ; ~
~~::rA::t ~::: 	~::c::
l y -1	D
isapp ca
r c d Tc	2 )
•••
•
i 	AF
B,
lfc
w	
ing
to
N
!t
o 	i 	brmrn 	!
secs	
1
win g 	Iof
golf
	hi Gh
	speed	
i 	;	
I 	i	
I:.fo
:rico 	!30 , 000 1 	I	. 	j 	. 	I 	i
j 	Ii
'ba
ll
held	
I 	!
• 	: 	'
l. ..
... ....
....
1
...
.
..
....
.
..
....
....
.
..
..
l
..........
-1
...
.. .- _ .. . L.
.... ... ........
....
-
...
.
..
.
.......
_
..
_
....
.
..
.
.. ....
._.
.....
_____
...
J.
..
-
..
..
···
--·
--J	
.
..
.
_l_.	
l	
...
..
.L 	I	
~~ n :
~~
1
:	s 	i
	-·
·- - - -·
....
.--.:
··
-·-
..
-·
..
NW 91526

-- 59 of 116 --

Sumnary
	of
Sightings
of 	Unl :n own Ae
ri
al
Phenomena ,
	17th
District
OSI
(cont)
	Page 38
NW 91526

-- 60 of 116 --

Sig~ting No . 	175
Photogra ph of Unknown Aerial Phenomena 	taken at De. til ,
New Mexico by Cpl 	Ler tis E . 	Stanfield, 	Holloman Air Force
Base, 	New W~x ico on 24 and 	25 Feb 1950. 	An analysis 	of
the ab ove p hotogra ph was 	ma de by Dr . 	Li nco ln La. Pa z, 	Head
of the 	Institut e 	of ~~teoritics, 	Universit y 	of New Mexico,
Al buquer que , 	New 	N~xic o, who reached the 	following con
clusions:
a o 	Tl:e angular diameter of the 	perfectly round
luminous 	object Stanfield observed was approx
imately 1/4 of a 	degree .
b . 	The angul ar 	velocity 	of the 	object 	in the sky
was 	greater than half _a 	degree per minute .
Dr . 	LaPaz stated that on the basis 	of the results 	(a)
and 	(b) 	above, 	the 	object seen by Stanfield was 	not 	the
mo on 	(for the angular diameter 	is too small) , 	it was 	not
Venus 	or any 	other pl ane t 	(f or 	the angular 	diame ter was
too large), 	and 	it was 	not a 	bright 	fixe d star 	slig h tly
out of focus 	( for 	the observed rate 	of motion is double
that due t o the 	diurnal rotation of the 	earth) .
NW 91526

-- 61 of 116 --

NW 91526

-- 62 of 116 --

•
THE UN IVERSIT Y OF NEW MEXICO
ALBUQ UERQUE
INSTITUTE OF M ETEORITICS
May 23 , 	1950
To: 	Lt . Co ~onel Doyle Rees , Connnanding Office r
17th District , 	O. S . 	I .
Fr om : 	Lincoln La.Paz, Director
Institute of 1Jeteoritics
Subject : 	Anomalous Luminous Phenomena ( Seventh Report)
1 . 	In the second repor t 	of this series , dated 194:8, Decemb er 20 , the
VIrite r 	listed ten significant differences bet·,veen the bri~t f;reen horizon
tall y- moving fireballs observed in the interval 1948 , Decer,tber · 5- 20 , 	aud
typical me t eors . 	These differences we re the following :
( 1 ) The horizontal nature of the pat,1s of nost of t he December
fi r eballs is most unusual . 	Genui ne meteors are rarel y observed to move
in horizontal paths .
( 2) Ag ain the very low he i ght 	of the December 	fi reball discussed
in s ection 2 a bo ve sets 	it off in sharp contrast f rom the Genuine
meteors fo r which heights of the order of 40 or more ,niles are ~o • •
mally observed .
( 3) The velocity determined for 	the fi reball of Dece~ber 12 is
much less than the velocities det ermined from typical meteors (and
yet is considerably greater than the speeds of the V- 2 Roc~ets or
jet planes or of conventional fla r es) .
( 4) In the case of meteo rites that penetrate to as low levels
as that determined for the fireball of D~cember 12 , the observed l u
mino us phenomena ar e alwa ys accompanied by very violent -noises . 	No
noises whate v er hav e been observed in connect i on with the va riou s
De cember fi r eba lls so fa r 	investi gated . 	(Not e added on 1950 , :¥.ay 23 :
Possible exceptions to the noiselessness of green fireballs a r e t.:"le
incide nts of 1949 , 	Januar y 30 , and 1949 , December 	4.)
( 5) Genuine meteors normally show r emar kable variations in
bri g htness, be g inning as fine thin ha ir lines , which are sca r cely
visible to the observe r, and then brightening up to flash o ut near
the end of their paths . 	In the case of the December firetalls most
of the ob servers have reported tha·G the g reen balls appear ed almost
instant ly at thei r 	full b r i g htness .
NW 91526
COP<F1DEtsfR1\L

-- 63 of 116 --

CO~JflDRt,.lTlAJ
To : 	Lt . Colonel Doyl e Rees 	- 	Page 2 !~y 23 , 	1950	Subj : 	Anomalous Lumino1.~s :Phenomena ( S eventh Re ::>ort)
( 6) 	In the ci:-,se of r::enuin c: r..etecrs the pe.ths are di r e cted to
via rd all points of the compass wi-t:,l:. e q u al :.-:·r eq uenc;r • 	0n the c c :rt'.; rar y
in the cas~ of t!1e g ree n fi r eballs , 	plots of adr.ri.ssible approac~1 sec
tors show that the r e is a ve r :r p ron ounced te 11dency for the pat}1s to
come 	in f r om the north half of the s!:.y .
( 7) 	The th r ee g roups of e.noma lo us r--ree n i s:b. lu:~ inovs phcno1)Kma
show a curious assoc:i.ation with ·:1 011 k::own ;neteor s:1oi.·Jer s , 	al-i:; ::ou ~ i.1
none of these :.,etcor sho,11ers no rmall v pro :: uce c;.:tromely b ri Ght s roen
fireballs , 	such as these r ece,1.tly orJse r ved . 	i'' or example , the obse r
vation :mentioaed by :: r . : · onnig appeared nee.r the ma::imum of t he
Quad rant id s howe r 	of e arly Ja,'1mu-y , , fr . ; :cCullou r; h ' s 	o'..-)s c rvation 	of
Augu.st vias near the time of the Pe r s id shm0
1E:.1· an 6. t !\C Decci-r.bcr
observations all fell in the intE.: rval cov e r ed by the Geminj_d s:10Yrnr .
Thi s relationship mi1:;ht in dicate an attempt t o r ende r 	t he r:rec.n fi re
balls loss conspic"u.ous cy causing tht, n~ to ap p ear only ~'! L :m thE..re is
considerable ;neteoric ac·': ivity .
( 8) As noted in an earlier co.m:mmic~'.tion , 	tho rcnar !:ably v:i.vid
green color r eport e d for most of the De cer:i.ber fir e balls is rar ely
obse rv ed in the 02,so of r;en"-lnc met e ors . 	By ls.":; ora.to r y tes ·'.; -\:.~:is
peculi2.r colo r 	seems to ::: e: identical vii th tr:a•; g iven off by coppe r
salts in the blowpipe fla:-no . 	If ".; his 	idcn-lj if i co.tion is corr o ct ,
the wave lo n <- th of t;..e r n diation frm"'.. th(, Gre en _;_'ire ::: e.lls i s near
/\ • 5218.R. 	-
( 9 ) Th e duration estimates of betw e en 2 and 3 seconds r 0p ort 0d
fo r 	the gr een fi r eball s n r c consi d ero.b l:, longe r 	than thos e 	(0.4 -
0 . 5 s econc.s) for the o r d inary vis uc l )' e·c cors , but s !10rtcr than the
du r ation estimates invariably r 0 :,ort,;d 	in tho ca.so cf a 	GCP-\).ine
meteorite fe.11 (5 to 30 s e conds or o ven lon g er) .
( 10) For none of th o g r ec.n fi r eballs r.as a 	tr a in of spv.rl~s or
a dust cloud been rc~ortcd . 	'i:'his co".'.t r c.s·ts sharply wit: , the b e
havio r 	noted in c ase of n e·ccoric £i r cballs - - particularly those
that pene trate to the: very 101·1 levels ,-.,he r e t; 1c 	gr e en fir0bo.ll 	of
December 12 was observed .
2. 	In the y~a r 	and a :1 '3. l i' since this 	list v11:ts ?'!'ODD.red , ;:-..any ad-
ditional observations have been m.o.d o , 	4~hc total numb er of obj e cts no·11
accepted as belonging in the [; r c on :Cir ~ball cat --E ory beine; 72 . 	(Al
though this number constitut e s nearly 50,; of t ho inciJents listed in tho
accompanying Surrnnar ~r , 	it co n stj_tut0s less t h an 5% of th o ·:;otal numher of
unscreened ob~tions r o porte d to the writer . ) 	Cri-tical arn.1.l:/ sis of
all gr een fir e ba ll r eports non available shows that on l ;,' ono of the
staterr,c nts 	in the l ist ~ ivcn in paro. gr o. ph 1 n(;eds to b e :"'.loc, i i.' ic d ,
namely , 	item ( 1) . 	Hi thin th e 	last ye ar , 	a co:cs::.dcrable rn..u,:') cr of the
g r een fireballs hc.vo appeared to fall vcr ·cic 2.lly 	d.o,mv1ard ro.t::e r 	t han
NW 91526

-- 64 of 116 --

To : 	Lt . Colonel Doyle Rees - 	PaGe 3
Subj: 	Anomalous Luminous Phenomena (Seventh Report) 	May 23 , 	1950
to move horizontally . 	However , 	a 	strictly vertical infall is a l so very
rarely observed in the case of gem~ine meteor fa l ls .
3 . 	An analysis 	just completed of the t ime dist ri but ion of the s r e en
fireballs 	so far observed permits us 	to add an 11th item to the 	list of
differences given in pa rag raph 1 above . 	The g raph of frequency vers u s
local time which accompanies the present r ep ort s11m-:s t ha t 	the ma ;cirn,un
frequency of sighting of g reen fireballs 	( occurring at approxina-cely
2030) coincides in time v1 i th neit he r 	the f r e quency maxir.1um for ordinary
meteors (occurrin;; at approximately 0300) no r 	the frequency mazimtun fo r
meteorite falls (occurrin g at approximately 1600) .
4 . 	Inspection of the g raph referred to in pa.rB.gr aph 3 also will
show that most of the g reen fireballs have been siEhted in a t i me i nt er
val e:;...-tending from about 5 p .m. to 11 p . m. 	(:MS T) . 	This conceut r ation
might be even more pronounced if it were possible to screen -:>ut of the
secondary max :iJnum , around 2 a . m. ( :r.£T), all ordinary meteors wl:ich have
been mistakenly identified as g reen fireballs . 	rnat such misj_de::i.tifica.
tion has occurred is strongly sugges ted by the near 	coincidence in time
of the secondary max i :'lum of the green fireballs and the well oste.blished
early morninG maximum of the ordinarJ me teors .
5 . 	Some significance may attach to the fact that tho timo i nte rval
alluded to in paragraph 4 extends f rom about 7 a .m. to 1 p . m. 	in the Ural
r egion of t he USSR. 	Since miss il es movine; Y1ith velociti e s of tho or de r
of those found for the g re en fireballs for which r eal path determinations
have been possible would travel from the southern Urals to new Mexico in
less than 15 minut e s , 	a possible int e r pretat ion of tho concentration of
sightings r efe rred to in parag ra ph 4 is tho.t the z r een fireballs r esult
from guided missiles launch ed from bases in the Ur als i n the r.-.o rnin ~
hours before cloudiness due to convection or blinding aftern oon d ust
storms can interfere with non- radar tracking , 	such as has been used by
the Optical Trajector.1 Section at Tlh itc Sands Proving Ground .
6 . 	There is also a p ronounc ed concentt"ation of green fireball
incid ents on the four days , F riday , Saturday , 	Sundny , 	Monday , almost
a l l 	of the most widely observed incid ents having occurr e d on Saturday
or Sunday .
7. 	It is a curious and fai rly we ll - established fact that there
has been a distinct decline in the numbor of gre en fireball 	sightin s s
during the last two months, within wh ic n. the number of so - called 11 f ly
in g 	saucer11 incidents 	in this region :,as attained an all - time hi gh .
8 . 	Although I have r ecently r e ceive d from Dr . 	Joseph Ira.p lan of the
Scientific Adviso ry 	Board a 	letter containing the statement " l' ran k ly ,
don ' t 	lm01·1 of any U. 	s. experiments that v1ould result in the appea rt'.ncc
of these unconventional objects , 	and ne it he r 	docs Von Karma.n11 • 	I 	still
NW 91526
I

-- 65 of 116 --

To : 	Lt . Colonel Doyle Rees 	- 	Po.ge 4
Subj : 	Anonalous Luminous Phenomena (Seventh Rerort) 	Eay 23 , 	1950
consider ·t;he most p ro bable explanation of t he green fireballs 	~o 1)e ·;;h e
one e; iven in the first of the three pa ra t; ra· · hs be1.m·, ,ihioh are q uoted
from my le tte r 	of 1950 , February 20 , to Dr. P . 	H. ·.i"yc}wff , Cliief .,·.. t:,1os
pheric Physics Laboratory , Base Di rec torate for Ceophys :..cal Researc:1 .
The last two pan1{;r aphs quoted. be loY1 \'lell summarize rrr;/ r ecommendatic,:1.s
concerninc the g reen fireball problem :
nAs a prel i minary to settin c; down the project recommend ....tions
which you ,reques ted , 	I have very carefull-r r eviev;ed all uvaile.')le
fireball data ( observers I reports , transit measv.r e:nents , 	calc u lated
real paths , 	etc . ) cove ri n 3 incidents from those of Dcce~be r 	5 , 	1948
to the extraordinary incident of Feb r uary 	7 , 	1950 , ,1h ich ;-,as been
under intensive investi ~ation for the J.e..st two week:: . 	As a 	result
of this compre'.'lensive rev iew , 	particuln.1·1 ~, as 	it re lates to the in
cident of Februa r y 	7 , 	1950 , 	I 	feel con!pe ll ed to write you in some
what different terms concernin i::; my mm pa rt 	in the proposed f ireball
project than I 	had in mind \'/hen we last discussed th i s mat ter . 	In
brief , 	I have come to the cone ]. us ion that , 	on the be.sis of t l~ e
evidence now available to me , 	I Y1oulc', not te 	jus ·:;ifi ed in r eco:rm ,e nd
ing a. fi rebe.11 project . 	In ~' opir..ion , 	this evicieace p roves conclu
sively that the fireballs reported on fall 	i nto one 	of t,::o cate sc rics:
Those of the fi r st category ( ·the 1'1ajority ) are mcteori"i:e i'alls of
unusual , but certainly not of impossible , ma~~nit1J.de , 	frequency c.nd
other characteristics ; 	t )1o sc of the second ca-~egory ( tne minority)
are u. S . 	guided missiles undergoin~ tests i n the nei~~borhoods of
th0 sens:'.. tive 	installations t'.1ey a.re desi '.:;ned to def'e;_1-d . 	This
interpretat:i.on of the 	latte r 	catego ry is the one t~1e.t I p r oposed in
answer t o a q v.est ic>n raised by Dr . 'i'eller a.t the first Los i'.lc~':los
conference on r'ebn:.a r y 1 7 , 	19"49. 	It ,.ms not ta!cen seriously then
and I doubt tha.t i·c viill be tal:en seriously a ·t tl~e p resent time .
However , 	even if my interpretation of t;te t:nconventione..l £'ireralls
is the correct one , 	it is ob vious t'.1.at ·chose in posi-l:;ior. t o con !' inn
it should r efuse ~o do so . 11
" Only one cthc.r point need be st r es se d , namely , 	that if I 	nm
v1rong in int erpret in co: the ;;uided missiles r.s ot U . S . 	ori:;in , 	t'.1cr..
certo.inl~r intensive , 	systo!Tlatic i nve sti ~:ation of t!:ose objects
should not be de layed until the termine.i;ion o-..' tiHi pr csen-~ aca.ci..,rn; ic
year . 	Re cent international devclopr:0nts cOJ;:pel ono to sense ·";he
imperative necessity of i mmediate inv estiea tion of the un c onvent:i.on
e.l green fireballs , 	in c?. se yo1..:. are in ,·1 oss c ssio·.·, of 	i nfcr:nation
proving that t:b.ey are not U. S . 	miss:'..les . 11
11 If such ::.n immediate investir;a·l;ion uere to be undc r tc.J.:cr. , 	I
would r eco:r;:;iend t:1at Dr . Fr ed. L. -,fhipple , 	of Earvu rd Collo~e Obsc;r
vato r y , 	be placed i.n c harge of the pl:otoGraphic !)Lase of -tLe inves
tigation ; the.t Dr . 	Pe·t;er ::, . 	lhl lman , of t he Dominion Observa>tory ,
be placed in charge of tl1e sp e ctro g ra ph ic ~,hase of the investi::-.1.:.-cion ;
NW 91526
COf'1FIOEPcJTIAL

-- 66 of 116 --

To : 	Lt . Colonel Doyle Rees - 	Pase 5
Subj : 	Anomal ous Luminous Phe nomena (S eventh Report) 	; :a,y 23 , 	1850
that Dr. L. A. 	Manni ng , of Stanford , 	and Dr . 	tfillman be pl£,ccd. i n
c haq;e of the radar investi6 at ion ; 	and , 	final1.y , t h~. t 	Dr . ·.'iillia.."Tl
Crozi e r , 	of the New r:icx ico School of Hines , be placed in char ge of
dust collection and identifico.tion . 	On the br.sis of many intensive
field st, rv eys , 	I do not anticipate -that 6r ound search vi ill lead to
any r ecov e r ies , but in cas e such g r ound _ search is to be attompted ,
it should be carrie d out on tho scale st r essed i n IT\')' conv e r sations
·with you and Hujor Oder 	last month . 11
9 . 	Al though the ab eve pa ra :-; r aiJhs Y1erc ,s,ri ttcn some months a~o , 	the
r ecorn:ncndations conta i ned i n 	them arc the ones I ~-!ould u.r ge you to con
side r 	at the p r esent time . 	In conclusion , 	I 	s hould like to r epeat the
offer made a-t the end of my l ette r 	of Feb ru ary 20 to Dr . i~yckoff , na.-rncly
to se rv e , 	if needed , 	as consul te.nt on the g r een fi r cbo.11 p1·ojoct as
suggested in Ua jor Oder ' s 	letter -~o me u..~der de.to of Fovcmbor 29 , 	1 949 ,
,·iit h the stipulation , h0\·1ever , that n~,r service be on a voltmtary basi s
rather than on the ~AO pe r 	day contr act s pecified in 1.!e.jo r 	Od0r 1 s 	lc·ttcr .
/J 	~- --..	--1" 	/' 	,
I 	/ /·~/
/~\ ;2 .... V r.2..--;", 	?'.J-,
Lincoln La.Paz , Directo r 	:'/'
Institute of r:otcor itics
Universi"cy of Iicv1 l:!exic o
NW 91526
:£0WFIDEP'4I IAL

-- 67 of 116 --

)31- ZO Z O,C: 2 0 ,..UI I NCH 	THE F" R EOC R I CK POST CO CHICAG O JU,.
"'t 	Y--. 	Tr""r,T t. T ~
.... .....1 	.1 .1 .-u . .J
'-> 	~ 	--,-,-+~~-:-bc+-:-:--;+-'-+--'-----l--,...,,....:--t--+---t=-,+-+--t--'-'-'f--+--t--+=c:+---t--1--t-+--r--+--t=::t=t=!~m+Tu±::::::,t--1r-:::i"=±=t--::1
t:' 	~
0 Un,; --=::t=~~3=~:e--,- 	-t--\-~ 	r-t-+-+-+-t-7;:;:t--f--t;:::;t--j~-+-E±;;:~~~;;1--t--:~=t-=~~
\:j 	•
? 	l-----;Jr---4!!1'!-J~~~~ 	4-ri-t~~+-~ 	~ 	~ 	t=t~~ 	~ 	:-+-.J-=l=t=+:=t-+-~~t-1~=¼:~~ 	:E:EE-1---1
~ Zl4H--ti---l---:::E-~ 	.:-L--r--tl---:::E:::--t--1~-::-+--,-,-~ft"-il-¼f:::-+¾+---t-~;--.__,--r,~;;:;t--t-~:r.;::::jb--t--t'-t-~
co
~
~ 	t=r--!:r-t-!t- 	-l-:::==:=E:~+3r.:::=+-+r-::b-::Pia=-'!--!--t:--+--+---+--fui:r.:SF7=,;;;;t;:;::::t--t--,-~F-'-'t= 	, ~;:;.;~~=•	- r---t-r- 	♦±:;::-t;j
0,,1-=-::~ 	~ 	.....i-~:+--1~E=.=l=::=:-E~ 	;:;t---t-t-5r-t~-t--t:12-t-::if----:t-+-+--t-~;t;Et-i-:r--:f--r~-E;~Fl
t
~
~·~~~~~~~~~~~~~~~~~~~~~~>~~ ~~~~~~~~~~~~~~rl
..Y	-_,,__~ 	+--if----t--+---r1-~ 	-.-1r. .--+-F 	~bt~~ t~-:-l~Jf:g:~J.::t:s,1-t;	~ ;;:t:	!£:-	;:;:::+.	:1:1~Jf!:;1~e:t::-+"7t~-t-Ebdd-+-e~~
TIME 	OF 	SJ<.HTJNGS
NW 91526
... r,. 	1
CZSS 	1 .l 	.../ L 	.1. a, 	LJ

-- 68 of 116 --

-- -
NW 91526

-- 69 of 116 --

. 	I 	.
6f:J!RST .
DEPARU!EtIT OF THE AIR F0)1CE
HEAD<.,!UARI'ERS UNITED STATES AIR FORCE
WA.SHINGTON
THE INSPECTOR GENERAL USAF
17TH DISTRICT OFFICE OF SPECIAL INVESTIGATIONS
KIRTLAND AIR FORCE BASE, 	NE,V MEXICO
DR/JIB/ web
file No : 	24 - 8 	• 	18 May 1949
SUBJECT : 	lP'TKNOWN (Aerial 	Phenomena)
TO : 	Commanding General
Sandia Base
Al buquerque, 	New rexico
ATTN: 	Inte lligence Officer
1. 	Transmitted her ewith is a SUimnary of Infor mation r el ative to
the aer ia l 	phenomena whjch ha ve been observed in t he New Llexico -- West
Texas area .
2. 	This investigation is being continued and your office will be
kept infor med of future devel o?"lents .
1 Incl 	~~o	• i 	C---Summar y of Information 	L 	Col, USAF
strict Conn:iander
DISTRIBUTION OF SU'~ARY :
2 - 	Hq OSI
1 - 3d OSI treeion
1 - 	CG, 	AMC
1 - 	CO , 	Kirtland AFB
1 - 	CO , 	636th Acft Contr ol 	& wa r ning Sq
1 - AF Guided Lissi l e Project
1 - AF Fie l d Office for Atomic : nergy
1 - 	CG, 	Sandia Base
3 - 	Atomic Znergy Se curity Ser vice
1 - 	CG , 	:Four th i\rmy
1 - 	BIO, Ft Bliss , 	Texas
1 - 	FBI, 	Al buquerque
1 - 	Dr Lincol n I.a.Paz, UNM
12 - 	Fi l e
i:rrLf.: J<..f..:_iJ.:1-1-
5 cz 	~ 	sfiORl 	- -
....., ..... c ... ~~ J. 	'
NW 91526
_F;:/P : 	:::J 	..,7,Jc:.-, :/4,,,lr ~ 	,,C,·r~ Jal/ 4n.

-- 70 of 116 --

•
DEB\RT~; ENT OF THE AIR FORCE
HEADQUARTERS UNITED ST ATE S AIR FORCE
WASHINGTON
- ,-.-o~E"!"!' 	lro'	Cl,\SS~~~lf~ THE INSPECT OR GEN~L USAF	• ~ 	• 	4 .
' ..... 	. 	, . 	17th DISTRICT OFFICE OF SPECIAL TINEST IG .TI~' .. :
KIRTI11.1m AIR FORCE BASE , 	Ni?/f MEXICO
1 9 Ap ril 1949
Sille'.111ARY OF INFORMATION:
1. 	This i s 	a comprehe nsive summary of all observations of unidenti -
fied aerial phenomena possessing similar charc.cteristics whi oh hava beeu
observed in the New He xico - West Texas area . 	The cor:imon charu.ct ~ristics
. of most of the incidents are :
a . 	Green color ., 	sometiraes described as green ish - white , 	b ri ght
green , 	yellow- gr ee n , 	or blue green .
b . 	Horizontal path , 	sometimes with mi nor variations .
c . 	Speed less than that of a me teor , but mo r e than any knovm type
of aircraft .
d . 	No sound associated with observations .
e . 	No persistent trail or dust cloud.
f . 	Period of visibility from one to five 	seconds .
2. 	All of the inci dents r e ported do no t 	possess al l 	of th e above
onaracteristics , 	but in each ca se one or mo r e ar e pr e s en t . 	In non is of the
reported incidents has any natural or :nan- made object :) Gen deternined to
be responsible .
3 . 	The body of this summary c onsists of a tabulation of obs ervations
with notes attached to clarify or amplify ce rtain of the more impo rtant
observations. 	Note 	nu~bers 1, 	3 , 	and 5 a. rs taken d ir e ctly fro m r epo r ts
compiled by Dr . 	Lincoln LaPaz. , Univ e rsity o f 	Now Me xico . 	Dr . 	LaPaz is
i n ternationally known and r e sp e ct ed as a meteoriticist , 	and he.s taken a
gr ea t 	int e rest 	in th ese phenomena .
4. 	The tabulation of sight i ngs 	is not a 	con ple te r eco rd of a ll r e
ported observations , 	but compris es o nly those in which int ,,ir vi e vrn Vlcro
conducted by OSI personnel . 	Hany ot he r 	p -.::: rsons we r e 	int e rvi ewed by Dr.
LaPaz. and his . colleagu e s , but , inasmuch a s compl ete da tu is n ot 	ava il ab l e ,
these intervi ews are not taken into acc o unt in this summa ry., 	In addition .,
numerous r e ports have b <Jc n received from individuals who could no I:; provide
NW 91526

-- 71 of 116 --

"
SUMHARY OF INFO!W!.TION (C ont) 	19 :\pril 1949
sufficient i nformation to warrant inclusion of such facts as t hey did
possess . 	Any int e rview where the veracity of the int e r v i ewee was
doubted was df s count ed in th e prepar~tion of .r ep<H'ts £'t1r tr. :-.. =-= j {--l- -:-. 1. .
1 Incl
Tabular Summary w/not e s
- 	2 -
NW 91526
r c,r,-. 9. r ;p.
CLo _ ,._,,.

-- 72 of 116 --

Dat E:
5 Dec :±8
5 De c -:i:8
5 De c 48
5 De c 48
5 Dec 48
5 Dec 48
5 Dec ·18
5 Doc 18
5 J oe 48
5 De c '±8
5 De c .;3
5 D~c 	~
, 	6 De c ,;8
7 Dec 4.8
8 Do c 48	~
12 De c -±8
12 Dec 48
13 Dec ,;,a
13 Dec 48
14 Dec 18
20 De c 48
28 Dec 48
6 Jan 49
6 Jan 49
30 Jan ~9
14 Feb 49
17 Feb 49
,?·, ,.,,.,.
.15130
2000
21 05
2115
2115
2ll5
212.7
2135
2200
2220
2220
2315
2255
2145
1835
2102
2102
21 30
2215
0100
20-5 4
0431
03 10
1730
Note 5
1840
Note 6
'.nr
Gr-::en
Gr aen
Gr '·Gn
Gr ee n
Gr e en
Gr oe n
Gr een
Gre'Jn
Gr e en
Re d- v,<h i te
F/S
Gr..,en
Gn.en
Green
Green
No te 2
Gr ee n
Gr .;e n
Note 2
iTh.ite
Gr ee n
)Th i te - Gr een ish
Co urs e
l·i'S ~u') S•J
!·J/S
Ii/s
N/,S
N/ S
u/s
ii/s
~"s	••/
!.f/S
HE t o <F
t:/s
1,/s
,;Js
M/S
N/ S
No t e 1
lfote 1
I
H/S
N/S
lfo te 3
ll t o s
E t o \7
Note 4
UE t o S,1
S een F ! · 0 m
Les V<Jge.s , 	~·! . ;1 .
J,T ~ f	
a1l '1 uquerq uo , 	... • .t.J. •
tfour Lus V0gas , 	l~ . ~.r .
Las Vebas , 	N. :·1 .
L:..s "!.1,: gas • i . Lr .
Lucy , · N. '; .
~.. st cf 	:.lb uqu c r que
r7~~~r L.as Ve.;,as , 	;1 .::: .
Uos.r Izs Ve g as , 	l; . ];{ .
Lavy , 	~~~. 11 . ..,	On:;:.va, 	tT. -·~I-Jar L,'.).3 VO E;O. S , 	l~ . 1~.
Sandi:::. J~"'..SC
Los ;L l m:J. OS
'!\"T .. ,
Uero- !Ls V0 gc. s, 	4 .. -1 .
20 mi . 	East of Las Vegus
w~.go R Kound , 	N.-~.
Les .ti.la.mos
Los Alamc s
I
!foe.r 	Ganado, 	Ar iz.
Seer: By
CiviJ.i<ln
1fo.i v< , f 	K .,/ • Sttl'lcnt
M.ilite.ry Pilc:ts
Ci'rili c.n
Civ ili r.m
Civilian
Uilit!lr y Pi l o ts
P iL· ts , 	Pi .. .r:...: .:: r Jdrlincs
Ci 7ilfan Pilot
US .. F Fhct0 grn. phs r
n c. ih :iy ·: .-: rk..: r
Un i v . 	of 	Jtudcnt	i.·. • -l •
;Lzc So curity :~;cnt
!.'~SS Insp c ct cr
OSI Pe rs o nne l
,
Civilian
Civilian
.:1BSS Inspe ct or
.
AESS Ins ;,;e ct cr
Dr . 	Sa ls 'mr y
{
r
(
...,
t
~
-.
NW 91526

-- 73 of 116 --

- 	- 	- 	- ------	.0•:.~ "'..;
2'r 1'"' ~"	""
2 1.!n r
.1,r--_ r	3
'3 - Jf,"I,..,,,
8 -~a r
13 :i~r·
27 .·, r
5 l,p r
6 ,.pr
7 .,pr
7 r.pr
12 ;..pr
':.g
-.'.:9
-~9
,!:9
,;,9
-JS
•~ r
L_1:9
49
~9
49
19
··-
!. ,.. J :"
JO l 1 :
Ol o9
J.836
1 835
21 53
1800
2200
00 05
0100
0 13•
19 30
. 	..!. "" T
1"' t·0':'
N/S
Gr.:.-sn
-~-c 1it e -
&r 5sn i::;h
G.... ~'-n1i sh-
¥tb i td
llcte s
Greer:
Green
Gr -.;cn
Gr 0e n
':foi t c
t..., U.ffJ
r,r1 ·,
·l~ ' 	s'"'
D..,V;"!i
zr-;-5 t J '-'5Y
Note. 7
c,-·1	
tr •..;'	.. -
s t c li
ii. t ..., ::E
s t c li
..... 	··-,,	..:., t 0
s t c -{
~ ,-.....,, 	i'r 1,11
j.,s ..i:-1. ia.. :i J8
;_ '-,5 .~lre!lL' s
'4 ~ '\.lJ;.[, s	L- s
Les 	. .I. 'J;. s
·:"' 	,.. .	..., .._... nu]:.... &·. s;;
ks . . l ;'.:r,,:s
Les ; ,1 . ..1-Js
!./'3 . . l:-.rr c 3
Lvs ,'.l:ir.1v d
Sand i ··~ ~C..S3
S<lon Rt
.. ,...,~ ...
J - t..: ... '-' 	.J:; , .. 1...t ~.;,Ji _._,,:C
_·. Ess T"1.~ c":').~ i:.c 1. ·
..::sc; ~; .... :F_..;;ri.rt
..	1.8UC'C•;~	:1~83
--n~	l ...., .. , 	-•
;lESS Insp c c t0 r
:.::ss Inspvct.:>r
-~33S I,,s pc rt'1 r
.i,3:SS I!1spGct 0r
;:P
NW 91526

-- 74 of 116 --

•
EXTRACT FROM RE P ORT SUBMITTED BY DR . 	La.Pf,Z ON 20 DECIDirBER 1 948 :
De c e mb er 	14 :
1: 00 a . m., Er . 	l fon o S an ch e z (Wagon t!ound , 	N . l:.T . )
2. 	The Reu l 	Pa th of t he On ly Gr een Fir e ba l l 	s o F o. r 	Obser v ed a t 	Tw o
Se par a t e 	St u ti,o n s • 	.Am on g th e n ume r ous obs e rva ti on s 	so _f ur ma de , t he r 3 is
on ly one pa i r 	of c or respond i ng observs.ti on s 	i . e ., thos e 11).0.d e s i mult an o o\.,s l y
by di f fe r en t 	gr ou ps 	of ob s e r v e rs a t 	widely sep a r nt c d s t o.tions . 	The 	on l y
su c h o bs e r vat ions nr e tho se obtained on the night of De c emb e r 	12 by on e 	g::- o•;-.~:
of obs e r vo r s near 	Sta r v a ti on Pe a k 	( Be r na l , 	Hew Mexi c o - 	s ee r epo rt on i ii c ;_' . 	t
·o r 	1 948 , 	De cember 	12 , 	9h 2m pl u s or 	mi n us 3 0s ) , 	a nd a s e c on d p o. ir o f 	ob :.; v c· ·, " ··
st a ti o ned wit hin the 	Los Al amos r e serve. t i on . 	By gra ph ic r e du c ti on of 	t ho
simu l t a neouil.y made obs e rvati o ns , 	t he fol l owin g fa ct s ha v e been d e t c rmi nc c :
The 	gr ee n fireba ll of De c embe r 	12 ~ 9h 2m pl us o r mi nus 30s o.pp oa r o d v .... r y it-· r
o. po i n t 	with the co o r dim3.tes l ati t ud e 	35° 50 1 , 	l on gi tud c 106 ° 	40 1 and d is ary ,
pea.r ed n e a r a 	po i n t 	wi t h th e c o or d i n o. te s l a t i tudo 35° 45 1 , 	l ong;i tu de 1 07 ° 	f.. ·:
t r a versing a nearly or 	e x o. c tly hori z on t a l 	pa t h with e. l e n gt h o f 	v e ry n e 1~r l :r
twe nt y- f ive (2 5) mil e s a t 	an a l ti t u de above th e sur fac e of th e earth of c.. p~
p r o ximc.. t e ly 8 to 10 mi les , 	do pcncli nr; on th e c stim~ t e 	of un r;ul o. r 	a l ti tud-3
empl oye d i n tho r e duc t i on ; th o v e l o c i ty wi t h r e spe ct t o the e a r th wo r ks 	out
u t 	be twee n 8 a nd 12 mil e s a 	s e co n d , d ,"J pend i n g; en tho d ur !l. ti on 	e sti m:1 t e us e'.l .
It should . b e o bs e rve d t ho.t 	th.::: a bove r e su l ts a r e obta i ne d u n de r 	the n ss ump t i. c ,..
that t he 	poi n ts of 	n pp et-. r a nc e and dis o. ppcu r o.n c c of t h o f ir e b a l l 	wo r e 	seem
simultaneously by b o th th e 	Be r na l 	m d Lo s ;~lr-"!l.O S gr o ups . 	I n c o. s e 	this o. ss ump
ti on is no t 	fulfill e d , 	th e r 00.l pt~th c ou l d v e ry co. sily b e no mo r e thnn 10 -L:-
12 mil e s lon g , 	th e v e locity with r e s pe c t 	to th 8 oi~rth t he n wor k.i ng o ut o.t '
be twee n 3 and 6 mil e s 	o. s e c on d . 	\T./hil G the r e 	is thus c on side r a bl e u :nd o rt o. i n t y
b e ca use of th e 	l a ck o f 	c on f i r mi n e; a zimuth obs e rv(lti on s f r o:n :::. t hird st a t :i.0:1 _
c o ncord :;m c e in th t:: fiv e 	( 5) d i ff e r e nt o stimc. t e s 	o f o.ngul o. r 	e l e v at i on ma ke 	i i;
most u n li ke l y that the 	li n eo.r 	h-::i gh t 	of th e 	fir cb o. 1 1 wa s mu c h 	les.s t han 8 mi~
and much mor e t nn n 10 mil e s . 	It is int c r o sti n ~ t o 	obs e r ve th a t 	t he b a ckwar :
e xt ension o f 	th e 2 5- milo path fi r st g iven pass e s a l mo s t 	c ent r a l l y a cr os s t w
Los Alrunos r e s e rvo.ti on .
3 . 	S i gn ifico.nt Di f f e r en c e s 	Be twe e n the F ir e bal l s 	Observe d in th e 	Int ~ n ·
De cembe r 	5- 1 3 a nd Typ i c a l 	Lletoo r s .
3 . 1 	Tho hor i zont a l 	nat u r e 0 f 	tho pn ths o f mo st of th e De c e mb e r 	f ir <'·
ba ll s 	i s mo st unusu o. l . 	Ge nu i ne me t eo rs a r e r e. r o l y obser ve d t o mov-o i n 	h o:·i-.
z on to. l 	paths .
3 . 2 	Aga in the ve r y l ow he i ght of th e De c embe r 	fir ob ~ ll discuss ed j 1
s e ction 2 abo ve 	s e ts 	it off in she. rp c on t r a. st f r om th e 	ge nu i n e me t 0 or s 	for
whi c h h e igh t s o f t ho o r de r 	of 	40 or mo r 0 mil e s a r e n o rnu:, lly obs c n r,} d .
3 . 3 	-Th e ve l o city d e t e rmi ne d for t he 1~ir 0b o. l l 	of 	Do c omb 0 r 	12 is m \l.C !'
less than tho v e l o c i ti c s d e t e rmined fr um t y pic n l mo t oo rs ( o. nd y et i s 	c ons i.d, ••
ab l y gr oat a r 	thnn tho spe e ds of 	t h o V- 2 Ro c ke ts or 	j e t 	pl ~n cs o r 	o f 	c on.vcr.-1., J
f l a r es ) .
NOTE l
NW 91526

-- 75 of 116 --

De o e~be r 	20 , 	1 948	TO: 	Colonel Doylo Re0 s
3 . 4 	In the c ase of meteor it es that pcm.0tratc to :1.s lO'N l eve ls e s
that dete rmined for the fireba ll of De c ember 	12 , 	~~e observed l~inous ph~
nomena are always :icoompani'3d by vary v i o lent nois<1s . 	No no i ses whatever
have been obse r v8d i n c onne cti on v.ri th th e vo.rious Deo emb0r 	fir eba lls s o f r•.r
investigated. 	>
3 . 5 	Genui ne meteo rs normally show r 0ma rkabl e ve.riations in 01 :' ~- -t
beginning as fine thin h a ir lines , 	which a r c, scurc E: ly visib l e to tho 0<'1 8 1., 1··••: ,· ,
and then bri gh tening up to flash out near th o 0 r..d of th 0 ir paths . 	~:,,_ th·.:; 	.".'' ·
of the DecEJmber fir ebal ls most of t he obse r vers h a':-0 r e po rted that th 2 r:-,
balls appear ed almost inst o.ntl y !l. t 	their fu 11 b ri g;htnGss .
3 . 6 	In th e c aso o f 	genui ne me te or s the pa th s are d. i_ro ct ed t0;.r!~r~
all po int s 	of th0 comp ass i.•iith equa l 	fr eque ~l cy . 	On tho cori.tr 1:- ry in t'.1.0 c :- : .,
of th e 	gr .:rnn fire b alls , 	plots of 	adm issi b l e a ppr oa ch sect o rs shnw th<:'.t ·;h ••,r ,
i s l~ v e r y pronouh c cd t en dency for th0 pe.th s to cc-:.:o in frora the north h n,E
of the sky .
3 . 7 	The 	thr :,e r; r oups of anomc.l ou s 	[ r eenish lumin ous phcnomen f). s'1 ; V,
a curi o us ass0ciation ·1vith ,ilel l 	knovrr-. r!lCt c o r 	show0 r s , 	althcut;h none of tnJS l:
me teor show-J rs normally pr oduce extremely ½ri ;:;ht 	gr :i on fir eba ll s , 	sn c h :.-.s
tho se r e ce nt ly ob s Grved . 	For oxsmp l e , 	th ,J obse r 7n.ti'Jn mol'!ti c-nod by Era 	~u !~l.'.
:'-ppos. rod ne a r 	the ma ximum of the Qu ad r::i.nt i d s ,10W(lr ,, i' r~nrl;,· Jc.nuary : :r.r- .
1,i cCullough ' s 	ob ser vati on o f 	Aufust wa s noc.r the ".; i m~' c.t' the Pe rs i d showE.·r 	i ,r,
tho Dec ember obscrvo.tions :-. 11 fell in ';hQ ir..ts2r vul oo•,,er;;d by the G..:mini d
showe r . 	This r el ati onship mi ght in dio:,t~ :-.n :::.tt, ;r;-: p~ to. r ond<:; r 	th.;. groon f~ •· ..
bells l e ss c c:i. spicuous by cuusi rcg t han tc, appear o :, l y when th~r0 	is c c. ·, sj•L--
ab lc meteo ric a ctivity.
3 . 8 	).s not ed in o.n G<::.rlier 	c omm u nicP..tio:-,_, 	the r --,rao. rka b l y v i ,.-ic. ;; i ·,,J.J"'
c o l or 	rep o rt ed fo r most of the De c ember 	fi r e ba lls i s r e. rely obson,;Jd L! t:1~ :>
c ase of g enuine meteo rs . 	By l ubor~to r y 	t es t 	this p,,cu li a r 	col or 	s~cmf' to ~>,
identical vdth th:lt c i ven off by oc ppe r s nlt s 	i n tho blowpipe fl ::-.mc .. 	If ::,,.1;_."
i dentificaticn i s c o rr e ct , 	th" W'.l.ve l ~ngth o f 	the r ad i a ti on fr or.i. t~1.e gre e :ri
f ir eballs is nenr 	5, 218 Angstrom Units .
3. 9 	The du r ation es ti.mr. tes of between 2 r:.nd 3 s e c,.,nds r epork c. f c,
the green f ir eballs !1. r c oonsid ;,r a.b ly l on;0r than those (0 . 4 - 	0 . 5 soc(•urls:,
for the o rdinr:. ry visuc.l me t eo rs, but shorter t h'.m tho dur a ti on osti1 .1r•.t..::s
i nvar iably rep o rt ed i n 	the c o. s o o:.' ~ g6nuinc..: me t eo ri t0 fr-,1 1 ( 5 t c 	30 s J cc.:v1s
or even l on ge r) .
3 .10 	For n one of t he gr een f ir o::>u lls has a tr r.:.i n oi' sp a rks or ~ O.L 5,
cl oud been r epo rted . 	T!'lis o ont r :is t s 	shnrp l y with th e boha.v i o r 	notc ,1 i·-~- c2.1:;E:.
of meteor ic fireb c. 11s -- part~cula rly those th:-.t pe n o trc.te t o 	the 70ry .i.,;w
l eve l s where th e 	g;r aen fir eba l l 	of De c enb0 r 	1 2 was observed.
4 . 	On the ba sis of the vari o us d iff e re n c es to which attenti cn is C'\.l l. ~ -
in secti on 3 , 	the writ e r 	r ema i ns of the ooiniun thc,t the fireb.~tlJ. of: D0c-3r.1i.,~ ~-
12 was definitely non - meteor ic c.nd that i ~ ull p r obn.l> ility the sm,10 js ·i,ru,
of most , 	if not a ll , 	the other b ri ght goon fir uba lls, which t he 031 h~.s hcJ
unde r 	investigR ti on~
LI NC CL~l I.aPi,Z'
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-= 	, l....ti :::::::1 -
---""'!.,• . !!J 2_	~ ...,...
I NCID EHTS OF 13 AND 20 DEC E::lBER 1 948 :
Th e unu sua l 	f e a tur e o f 	t hes e t wc i n ci d,rnts i s t h a t 	th e r e we r e r ep•) rt : i
two re d li ghts t r a ili ng the cr 0 .;m 	fir e ba ll. 	I n e n.c h c o.;,e obs c r v~r s :..i.e... , c
t hat 	the tr a iling l igh ts r 0t a. i ned a. c c., n st ant 	po s i ti on with 	r espec t 	t' '- ~
e th e r 	and t o t h e gr e en l i i::; ht . 	Als o , 	t he s e two 	s i gh ti ng s :;,. r e 	the 	on < · ~w
a ll t he g r e en f i r eball s whor e 	c. sha r p c hunbe cf d ir e c t i on i ~ th e ,;~r ',i') , •
p l ane wa s ,,:>se r ved . 	On e o f 	thes e 	i n ci dent s , th a t 	of 	20 D3 c embe r, w· ,:· 	r
b y At omic Ene r gy Se cu ri ty Se r v ic e 	I n s pe ct c r s , wh i l e the ot he r ·ivas 	-,:_;.,:;-,
truck drive r .an d his w if e . 	Tha t 	o f 	20 D0 c em bc r was obse r v ed i n th e Lo.3
a r e a , 	whi l e tha t 	of t he 1 3th o f Dco enbe r wa s :;b se r ved s ou thvre s t 	d ' h'l.s 1
NOTE 2
asa;~::r	r-
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INCLOSURE #=6
The Univ e r s i t y of New Me xico
Albuq u erque
De ce mber 	30 , 	19~E
I n st i tut e o f Meteoritic s
Lt . 	Colon e l 	Doyle Re es, Cormna n din g Off ic er	TO : District No . 	17
Of f ice of Special 	I nve sti gation s
From: 	Li n coln LaPa z , 	Dir e ctor
I n stitut e of Meteoritics
Sub j e ct : An omalous lumi n ous p henomena 	( Th ird Report)
In the 	s e co nd r e por t 	of t his s e ries , 	a des cr iption was g i ven o f 	the ~.:_C'~t.i
path throu gh th e a t mosph e r e of t he gr e e n fi r eb a ll of 19 48 , 	Dec ember 	12, gn :'·'
(plus or minu s 	30 8 ) . 	On th e bas is of co r r e s pond i n g ob s e rva ti ons ma de f r o1. , , -
st a tion near Starva tion Peak , 	New Mexi co , 	and a 	se c ond s t a tion ne a r 	LoR Al1c H
New Mexico , 	t h is fir eba ll was 	fou nd t o ha1 re ap p ea r ed n e a r 	a po i nt wi th the!
co o r d ina t e s : 	latitu d e 35° 50 ' 	N, 	longitud e 10 6°, 40 1 W, 	and to have d1 is ap:i - ~
n e a r a 	point with th e coordin a t e s : 	l a tit u de 35° 45 ' 	N, 	lo ngitud e 10 7 	os·
tr a v e r s in g a r. a lmo st ho rizon ta l 	pa t h , 	a t 	an ele vati on of ab out 	10 mil e s a".J
sea le ve l , 	wit h a 	l ength of about 2 5 mil es , 	a t 	a v e l oci t y of a pp r ox i mate ly
10 mil e s per 	se c ond. 	(T h e mi n i mum pa t h l ength co n si st e~t w ith t he obse r v -• c:~ ••
wa s f ou n d to b e about 11 miles , 	the corr e s por.di ng ve l o city t hen 	f a lli;:i c b 4 -l , ...
3 and 6 mil e s pe r 	se c ond , 	dependi ng on th e du r a ti on adopted . )
On th e bas i s 	of 	corr espond i n g ob s e r vati on s 	of t h e g r ee n i sh - whit e 	f i r 	, 't.. •
o f 	19 48 , 	De c embe r 	20 , 	s h 	54m p . m. ma d e b y two pa ir s 	of 	Lo s Alamos ob se r ve r r._
i t 	has n ow become p ossible t o wo r k 	o ut an o the r 	approxima t e reo. l 	pa th. 	As ;- _
be appa r ent fr om the o ri gi na l 	a cc ounts of th e o bse r v o. t i ons made by AESS
I n s pe c tors Wi ll i am D. 	Wi lson , 	Bufo r d G. 	Tr ue tt , 	Cl iffo rd E. 	St r un g ~ a. rd. P:•.1 c .,•••
Se c ur ity I nspe ctor Geor ge S . 	Skip pe r , 	t he fir eba ll o f 	19 48 , 	De c ember 	2(, w :.i. ,,
ob se r ved und e r 	l ess fnvo r ab l e c on di tions t han t he g r e e n 	fi r eba ll s ee n 	by f .vo::
pe rso n s on t h e night of 	De c embe r 	12 . 	Hov, e-..re r , 	on the b a s i s 	of th e ori ~; i n·1.:·
ac c ou nts o f 	the ob se rve r s 	named o.bove , 	of ske tc he s su pp li e d by th e s e f~l.! r 	::. :
vi duals on De c em be r 	29 and of t r an si t 	obs e rva ti ons mc,d e by Ce.pta i. n '.l . 	~ - ,!"~•
an d t h e u n de rsi gne d on the same date a t 	t he points o f 	obse r vatio n (-·.r:i. t. .
3 5° 48 t 	. 9, 106° 18' 	. 4 for St rang and Ski pp er 	a n d 35° 5 5 t , 	10 6° 	23 • 	, , 	f ,w
Wilso n an d Truett) , 	it ht..s b ee n possi bl e to 	e stablis h r ea s on ab l e 	eo ;1 ,;0r ·dan(' c,
betwe en v arious p oin t s on the f ir eba ll po.th e.s s e en by tho t wo 	gr ou p3 0r ,,~•• •
s e rve rs . 	Be c au s e 	of t he v e r y s h ort b a s e line 	( on ly 8 mi l es l on g ) bc t nocn -t., ,.·
two points of obs ervo.ti on o.nd the d i ff icu.lt 	con d i t i ons und e r v1h i ch 	t h0 fi :•, J_ .
of Decembe r 	20 was ob se r ve d , 	it is my o pi n i on that t he r ea l 	p o. th den vvl J ,·0:
th e Dec emb e r 	20 ob se rvat i on s d ese rve s 	c ou sid ur ub ly l o s s we i ght 	than t:-1::i:t:; :::r .
t a i ne d from th e De c embe r 	12 	obs e rv a tio ns .
NOT E 3
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Do c rnnber 30 , 	1918
Lt . 	Col . 	Doyle Reos 	- 2-
It is 	found that the f i r e bal l 	doubly obs e rve d by Mes srs . 	Wilson , 	Truett)
Strang , 	a.nd Sk i ppe r 	a.ppenred at a height of at l eas t 	10 miles and desccndcci 	.-..,
an angle of about 45° to th e vertical ( a ccording to Truett ' s estimate) 	t0'
point C at an elevation of only 2 . 3 miles abo7C the horizontal plan0 t·1rc1 •
tho point from which Strang and Skipp e r 	obs e rved . 	As th e firo ba ll aF1?··o ') :·
the point C, 	its pa.th l eve ll e d off and from C to its point of d.i:sappoarcm:..,
E, 	the fir e ball followed a nearly horizontal 	path app r oximat e l y 7 . 5 mi :cs
movin g with o. velocity o f 	between 3 . 75 a nd 7 . 5 mil e s p-:,r secon d , 	dep.:: 'l di n;_
the duration estima t o adopted . 	The 	coordina tos of t he projocti on of C on • .!
earth arc 35° 56 ', N , 	106° 30 t Vf , 	and those of t he pr ojection of E o.rc 3fi,
57 1 N, 	106° 23 ' w. 	The forw a rd extens ion of th e 	f ir eba ll ' s tro.cc on tho ...
as det e rmined by the a bove projections , 	passes some 	six mi l es to th o nox-c., •
th e town of Los Alnmos .
It should be noted t hut 	the d es c endin g; branch of t h-'l pc..th of the fir : • • •
wu.s observed by I n sp e ctor Tru ett 	alone , 	but he was abs olut e ly c e rtai n thr.1. ~
his observa ti on of t h is po rtion of t he path was corr e ct . 	It shoul d a ls o 1x
not e d th a t 	no sound was heard , 	a l though tho d istan c e 	fro m the ob sc r v c., r s ·co ·; " :
fir e bnl l 	and from the fir e ball to the et'l.rth could havo been o n ly 11 fow mi::.-- ~.
a t 	most . 	I 	have no hosito.ncy in testifying that ap object possessin r; tho 	- . ••
path o.nd th e other poculio.rit ios observed by l'lies srs . Wils on1 	Truett,, Stro ,1~.,
and Skipper was not a 	fallin g meteorite .
U.L.,'-.,J.
NW 91526
 J.

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TO: 	Dir e cto r , 	I nte lli g& nc e & Se cu rit y Divis i (m 	7 J a nua r y 1 9 49
FROM : 	Ch i e f , 	Phy s ic a l 	Se c ur ity 	Bra nch
S UB J EC T: 	Re po rt e d Obse rva t i on
th e Sky on 6 Janua r y
of Un i den ti fied
1 949
Li gh t 	o r 	Fl o. r e Movi n t,; j, c r r· ~,.
1 . 	On 7 J an ua ry 19 49 , 	t he writ e r 	i n t e rvi ewed P fc . 	.Me r e d it h 	J .
Ever i tt , 	AS N 38 552 9 54 , 	He a dq u a rt e rs , 	84 50th i.!l . P . 	Gr ou p , 	c cn c c r n i n .: t he un
i dent i f i ed li gh t 	or 	f l a r e wh ic h he h '3.d r ep (: r tedly see n movi n g: t\ Cr c)SS th e 	s ky
2. 	P fc . 	Eve r i t t 	advis ed tha t 	on 6 J anu a ry 1 949 he was g ua r di n~ o.
C- 9 7 ai r p l ane a t 	the 	l and i n g strip , 	l oc a t ed ad j a c en t 	t o the Or d nan c e Ar e~ ,
whe n a t 	app r o ximate ly 1 730 h o urs he notic ed a 	b ri Gh t 	ob j e c t 	t r ave l lin ~ n cc ns s
t h e s k y , 	fr om the Sou t heas t 	t owcr d s t he' Nor thwest . 	He r el a t-ed t h c. t 	t he ob je ct
wa s diamo nd sh apod , 	a pp r o .x i ma te ly t v/0 	f eet l on g, 	a.nd appe.-:i. r ed t o ,be mu ch
b ri ght e r 	i n i ts c ente r 	t hnn at t he ed g es . 	He e s t i ma ted th a t 	the (, 1.:> j c c t 	vm s
appr o ximately 1 500 to 2 00 0 f ee t 	i n the a ir E,n d t r ave ll ed. a pp r o xima te ly 500
f ee t , 	h o riz on tal 	t o t h e ea r th ' s surfa c e _. be f o r e he l o s t 	s i ght of 	i t . 	Pf c.
Eve r it t 	was u na1.:> l e t o e s tima t 0 th e s pE, e d o f; t h1:, ob j e c t 	b ut s t a t el tho. t 	he h a s
s e e n l ow f lyin g jet p l anes , 	o.nd t hat 	thi s o~ j e ct tr a ve ll ed muc h fast e r 	th an
the 	jets tha. t 	he h -'is ob s e rved . 	Thor':l vras n c- smok e o r 	o th e r 	v ap o r , u s :!l at e r i a l
vi si ble t o 	Pf c . 	Eve rit t 	a r o un d or 	fo llowi n 6 the ob j e ct .
3 . 	At the ti me Pf c . 	Eve ri t t 	witn essed t h e ob j "' c t, 	he 	st a ted th ::i.t 	the
sky was cl ea r , 	fu r nis hi n g o. li g h t 	bl ue b£>.ck gr ou nd , 	a n d t hat 	t h e o bj e ct app e a r
ed t o be a b ri Ght wh it e li gh t, wit h n o o th or 	appa r en t 	v i s i b l e 	co l or .
4. 	St and t nG gu a r d w ith Pf c . 	Eve r itt wer e 	Sgt . 	Ri c ha r d \':ol es l e gc e ar.. d
Cp l. Wils on , 	and a qc or din g ·t o Pf c . 	Eve ri t t , 	n e ithe r 	of t he o t h.:; r men s a.w t he
ob j e ct. 	Eve ritt e x p'laincd th a t 	hG c al l ed t o Sgt . 	Vfo l es l e p;c e , who was 	st a ci d i ::g
at t he o t he r 	end of 	t he p l a ne , 	:.:.,.~d t o l d h i m t o l ook a t 	t he ob j ec t 	i n th e 	sky ,
b ut by t hat time i t 	had di s app e o r e d.
5 . 	Pf c . 	~ve ri tt sta te d t h a t 	ho a tt ended Fli bh t 	S ch oo l , u n de r 	th e 	G. I.
Bill of Ri g h ts i n Ho us t on , 	Tex as , 	du rin c t he ye a r 	1 94 7 , 	and that 	he h a s had
s o me e x pe rien c e in o bs e rvi n g a ircr a ft.
/ s/ 	Mil.TT HB1V J . 	DOYLE
Ch i e f , 	Phys ica l 	Se cur i ty Bra n c h
I !1 te lli gc n c e & Se curity Di v isi cm
NOTE 4
i 1	CD --
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'T HE UNIVERS I TY OF NEV'f HEX I CO 	•ALBUQUERQU E
Feb r uar y 21 , 1 949
Institu te of Met e o ri tic s
Lt Co l one l 	Doyl e Rec s , Comman d in g Off ic e r	TO : Dist r ict No . 	17
Off ic e of . S peci a l 	Inve sti ga ti on s
Li n co l n w.Paz , 	Dir e ctor	Fr om: I n stitute of Meteo riti c s
Anomalous l um i nous ph en om ena 	( 4t h r e po rt)	Subj e ct :
1 . 	Sev e r a l 	addit i o na l 	si ghti n gs of' une x pl a ined a e r i a l 	li ght phenomo n·,
have occur r ed sinc e th e third r ~po r t 	i n t h is s e ri e s wa s pr epa r e d . 	Outst '.mdi
among the as yet und e s cr ib od in ci den ts was the 	gr een fir 0ba ll of Su n day 	c , -c1
• i ••
Janua r y 30 , 	1 949 , 	5:54 p . m. 	MST . 	Within l e ss tha n on e mi nu te u ft c r 	th e ap -•
p ea r a.n ce 	of the fi r eb a l l , 	a n ey ewit ne ss ( Mr . 	Nc s be tt ) co.l l e d t o r epo rt t h :: ' •·
p r ess i on of a g rou p of 	pe rsons who s aw th e 	fi r e ba l l 	t h r ou 6h a n ea st wi n dow
wh il e s e P.ted abo ut th e d i nn e r 	t a bl e 	i n o. b ri ,;}l tl y 	li ght ed r oom. 	\1ithi n tvro·; '•·
h ou rs a f t e r 	t h e fir e b a l l 	appe R. r e d , mor e t han 1 00 oy owi t ne ss o. cc oun t s h ad 1:, ., f _
obt a ined b y 	i ts dir e cto r 	thr ou15h p o r s o na l i n t er v iews . 	An unu su a lly h i gh p,. !.
ce n ta ge o f 	the r e po r ts c ame 	fr om milit o.ry pe r s onne l 	(waiti n g ou t 	u n de r 	th e, :- r:.
for Post Th ea t e r s 	to op e n ) , 	f r om gu a rds an d othe r 	s po c i c. l 	agen ts a lr e a dy c.. :!.. ~.
to wa t ch f or 	anomo. l ous l uminous ph enomcn n an d fr om ai r pl a ne 	pi l o t s , 	c ont r .:: :,
towe r men a n d oilw 0 ll wor k e r s worki ng on th e 	l a t e) o. ft E; r noon t o mi dn i ght 	s :n f 1,.
2 . 	On Feb r u ar y 1st , 	l\ s ta ff C[,r was pkc c d a. t 	t he wri t e r ' s 	dis p(•sal by
Ha jo r Williom Godso e 	of t he Fourth Ar.my tend a 	f i e l d s u rve y we. s be gun of Gli. c.
r eg ion in New Mexico and Te x a s 	i n ·wh i ch the ma j o r i ty of t he obs e rve r I s r c ;':>u .C , ..
in g the f a l l 	l i ved . 	Th is s u rvey , 	c a rri e d out uml or 	un usu o.lly 	s 0 ve r e ·wo'lt.'1 er
c ondi t ions , 	i nc l ud ed vi .si t s 	to the fo ll ow i n g l o c a. liti o s : Mor iar t y ,. E st ,~n c L
Vaug hn , 	Ramon , 	Me s a , 	Roswe l l, Co.prock , 	Ta tum ::md other 	towns in New L::c xic c; ;
o.nd Lame sa , 	Brownfi e ld , 	Pl a i n s , 	Lubbo cl<; , 	''.'lul c s h oe and othe r 	tovms i n Te xa.s
( Sev e r a l 	of t hos ,:; towns w 0 r tJ v±sit e d t ·wo or mor e 	ti me s . ) 	At 	Ro swe ll , whe ~o
v e r y e f f e cti vc c oop e r a ti on wa s 	pr ovid e d b y tho OSI g roup o. t 	Wo.lke r ,'l.ir 	Bas-.:
u nd e r 	Lt Paul Ryan , 	o.nd t ho loca l 	CAP u nit u nde r 	Lt H. 	K. Co bcan , 	S pc c i o. l
Agen t 	Bil l 	Ricke t 	wa s a d d ed to t he sur v e y pa rty :;,.nd g;a.v o much o. id i n l e.to,:
wo r k . 	At 	Lame s a , 	'fe x a s , 	th o g r o und sur v ey par ty wo. s 	jo ine d by a n o. ir s ea:::- i.
pa rty 	c on sisti ng of Majo r 	Cho. r l e s 	Phi l lips , 	USAF, Ca pt a i n Me lvin E. t:a ef a:ic.
Spe c i a l 	Agen t 	J a ck 	L. 	Bo li ng, 	f r om tho 17 t h 	District OSI off ic e u t 	Ki:-+,l "::::. i
Fi e ld , 	and Cor po r a l 	Coch r an . 	On 	Fe bru a ry 	4t h , 	t ho f ou r 	pe rso n s 	j ust n ".med :.-:l. ,; •
a 	low-l eve l 	ai r 	r e connaiss a nce missi on 	i n a T- 11 a ircr a ft ov e r 	t h e i.r c a 	su r ••
r oundi n g t h e e a r th- point o f 	th e f i r obn \ 1 of J ::.nuD.r y 	30th . 	k t 	tho sc:rr.e 	b i~
a 	s e c ond gr ou nd survey pa rty unde r 	Lt Pau l 	Ry'.m made o. c o. r e ful f i e l d S(..'.lr c.h
a l on g o. r out e e x tendi n g f'r om La.mesa. t h r ou gh Amhe r st , 	Te xa.s, 	t o Cl ovi. }; . 	;J o~· _
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...., ...... - .....s
3 . 	As a 	r e su l t 	of tho gr ou nd and a i r 	s0 ur c ho s 	r e f 0 r r0 d to u bovo , 	and o f
a n a na l y sis of tho v e ry lur ge amount 	of i n f o rm o.t i on ob t :.:. i nc d fr om oy owi t nc. s s ; s
by pe rs on al i n t or v ic,v s , 	by te l ephone:: c on'TG rs [\t i on s and by l e t t 0r , 	i t 	has no w
(thr ee wee ks a ft e r 	th e f u l l ) 	be c ome 	cl oo. r 	th a t 	s oV..) r a l 	thous an d pe rs on s 	i n
New l1e xico e. nd T0x o. s 	s aw this gr ea t 	fi r e bal l 	l e i su r e ly trf'.ve rs c 	t h o s ky . 	I t
h a s b ee n p ossi b l e 	to d e t e rmi ne t hat t h o J e.n ua r y 3 0t h f ir e ba ll be c ame vi .s ib l :0
at a n altitud e of ap pr o xi ma t e l y t welve mi l e s 	ov e r 	a p o in t 	u t 	l ati t ud 0 Z.t: 	'
lo ng itud e 102° 5 ', 	and di sap pe ar ed a t 	cm 	a l titude of upp r ox imat o l y o i r_:rt nu:
OV (, r 	et poi n t 	n t 	l a titu de 	32 ° 	48 1, 	l ong it ude 10 2° 22 ' , 	._\ f t c r 	tr av e rsi n g a
nea rly ho riz onta l 	pa t h ap p ro xi ma t e l y 1 43 mil es l on g at et v e l o ci ty o f 	fr om .• 	,
t o f o urt een mil e s pe r 	s e c ond . 	Althou gh tho J anua r y 30 th fi r 8b a l l 	mu s t 	ba ~ ' '•
among t h e b ri gi t c st ob s e r ved i n th e l as t 	q ua rt or - c ent ur y , 	and 	i n s pi t o o :: ~',
f a ct t ha t 	its r ea l 	pa th lay clos e r 	t o t he t=J a rth th r oughou t 	i ts on ti r o c x t v
t han any ,othe r met eo ri t o pa t h o f 	which the wr i t e r h e. s know l e d r o 	( ex c ep ti nt
t h o anomalous gr e e n fir ob o. ll s 	of 	De c embe r 	12th and 20th , 	1 948) , 	t he mv t e,)r 	~·,
d c t ona ti ons and l ong c ont i n uod r umb lin gs wh ic h wi thout e x c e pti on a c c omp an:
l a r ge mo te ori t e f a ll s we r e n ot 	obs e r ve d on J u.nu !:', ry 30th by o.nyo nv i n th oJ v ~- •
l ~r ge 	r egi on co ve r e d by t h e '""'vnr i ous gr ou nd s u r veys . 	Howuva r, wh at may h~ v~
b een Udd en n oi s e s 	( anoma l ous whizzi n g, c.nd h i ss i n g s o u nd s 	fr e que n tly r ,:: po r ·c " ,
b y v e r y d i s t ant 	obs e rve rs as ho.vi n g b ee n h oe.rd at 	the S [t."11 0 	t i me t hat ::-. mo-l;J )
ri tic fir e b o. 11 vras 	s eon ) we re he ·ird a t 	Roswo ll , N ,nv 1'.Texic o , 	and n o~- r 	Hul o f' t1
Te x a s .
1 . 	In a dditi on to t he ct bs e n c o of 	noise anomo. ly r e f e r red t o 	i n th o l ·\s ·..;
pa r agr aph , 	th e f ir e ba ll of J an ua ry 30th , 	1 949 , 	sh.-:rns seve r a l 	ot he r 	f ea. tur es
( e . g . 	n ear ly ho riz o nt a l 	pa th , 	ab s en c e 	of l o ni; e n du ri n t; lumi nous tr a i n or 	<tu ;. •
cl o uds , 	No r t h to So ut h di r e c t i on , 	e tc) 	c i1 ::1. r a ct e ris t ic of _the g r e en fi r e ba:i.J ~
ea rli e r 	de scribe d in t h is se r ie s o f 	r e po rts . 	Howev e r , 	tho J an ua ry 30 th fj_r ,, .
ba ll was much b r i ;h t 0r t h an an y of t ho s e ea rli e r 	r o po rte d o.nd dif f e r e d f r o,,, 	, .
oth e r 	gr ee n 	f i r e balls in t ha t man y _o f t he Te x a s ob s e r ve rs vrho wer e 	si t ua t e.;, '
n 0a.r es t 	its p a th r epo rt e d its co l or 	e. s 	blue , 	o r arige , r od o.nd ovan pu r plE; , l'!.
stead o f 	g reen ~
5. 	Up t o t h e pr e s Em t 	t ime (Fe br u a ry 21st) , 	no eviden c e wha t c v ..: r 	s t.p pc · .:..: .•
the be lief t hat 	s o li d fr agment s 	f e ll t o oa rth f r om t l-).e J unuc. ry 3 0th fi r ebr-.1.··
he.s b ee n di s c ove r ed . 	Howeve r , 	r,s pr omptl y o.s p oss i b l e , 	a mu c h mo r e th or ou "'l-i
gr ou n d s e arch s hou l d b ..,; ma de in th e pr o babl e 	a r e a 	of f n ll a. s 	outl i ned by t u.
ea rli e r 	sur ve y s , 	f or , 	in my o pini on , 	t he fir qba l l 	of 	J a nun ry 30th 	i s 	the en::. :,
one 	of the anoma l ous lumi nous obje ct s u nd --; r 	i n ves ti g 1>.t i on wh ic h g; i vc s 	uny :l 1 •
ca tion o f 	havi ng b ..,; eu a met eo ritv £~11 ,
6 . 	Wi th th e pr e s e nt 	report , 	t he wr it e r ' s 	pa r ti ci pc. ti on 	i n the OSI' s 	i :r
v o sti6a.ti on o f 	the pu zzli ng fi r eba ll q ues ti on mu st , 	to h is r ogr 0t , 	t -,rmi nc,t ;
Duri ng t he t i me I wa s 	on l o o.ve o f 	ab s en c e 	fr om t he Un i v::: rsi ty of r[;Jw :Jt xi.:--o ,
wa s 	;;l ad t o donat e my time 	e,.n d s c r v:i: c e s to this inv -..· s ti Eo.t i on . 	Now t }.:--, t 	I .'.!'·
aga i n se rving a s 	Head o f 	the Dupa. rtm cn t 	of i,h'..th0mn tic s ,vith u f u 11 ti rric t E: -~-.: .,, ,
l oa d , 	i t 	i s 	i mposs ibl e f o r mo t o co ,1 t i ::1uc c oope r a tin g wi th t he OSI.
LI NCOU,J La.PAZ
Hea d of De pt o f ,.rath ematic s
•
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o p .,-... i
INCIDENT S OF 17 FEBHULP..Y AUD 27 .:..LHCi-I :
In ea ch r; f 	t;rn.. se in cir,o:-1 ts t he foll.)w ing ' lesc: ri pti-:" !1 ar,pl i es :
a . 	Co l e r
c . 	C,i,, sis t en cy _- 	:.pp::-.r cntly s t• ii-l. , 	but f:i. :;i;d1_)le , 	Di.('!
"="'c "l' "ap .: r 	r) r 	sm -c~ 1,ce ·c r 0 ~ J..
d . 	Lurn i n c, si ty 	;1.pps;;.rad tc ::>e sel f .. lum:i. 11ou s _. ::.net the 	ra ry:i. r. ·: ·, ···,l 	•
of fligh t 	:,.r_c!. c.'w.q;·1 s c, f 	pc s :..i:J::. on 	0 :1.u ss.'C ac r,}n1- c: ~
e ith e r 	a.cgr~e ;:, r 	c o1or 	o-f em i tt r:cl lip:'rc- ,
0 . 	Fli i_;h t 	- 	Both 1'b .jccts pe r f·v nned""•n.rious..,mru:ieuvo:r s -, _c ::, n~is1 iui-; (•?
clim!)ir~l~ u•,d di vin f , 	with tu rni i:1g mov-,.,mi:.'Il·:;:; . ,_
h . 	Lo c 2ti 0n - 	1'ha 1'7 Febr ·.,c.r J 	incic'l-1:-t w::-.s 	) '.;ser":'cd- fr::m th« a.t·,,,:·.
J~lbvq ·..1 E::r yu0 ~ H,.:;w ,.it·:>.:i..00 . 	T!,c 27 : {~. i:•c h ,)t,n r ,R:t;i11u f. ·-:;
m.r~de f r ~m ti10 Tt~ c·~!rrH ~£t r i - C! l c;ri ~ ar J·'.. .
i . 	Cou::-so - 	The 	17 F cb;:-u 13- .-y ob jer,t _e.p pearod t ,J mov J f r r; rrc \✓t;.; s·0 ·; ,, ..:.,f'.: •
thRt o f 27 L,.l- ·•':l: 	:tr ( m ea.s,..t-- t 0 wost .
k . 	Remarks 	In tiacl, cn s e , 	re po rts. indi c ate.d tht.t. the -- .:j_t>-~;·i. !" 	:· _r, rf,,;.
r-s ou nd co r nar-s' i n. .._itexti..c:;i;l, ma.nou~ 	r.s= .rath e1.· t 'l,,n :3·:1 . • 	• ,,
a r. -.iund e: s- w6u,li o. r ftirt o!J ject • . I n ne ithe r 	c. lS<'' di:i
i r.vesti--[•a:t::i:~;.,;_-i;rc~d~ 6-!lY. evid.cn g.e 	c.f u. j c t --p :- op3l '.-;,c.
C'-r :d't L1 th e a r ~a ... 	Gbserv.e ~Jn~ e ~~b...c:J.se .._.,.c-I·e 	f r,t,:vi
whoss c~.-Q.i..J.ity- i~. f\.D.Qve--,...a.v;,~~~- .,.- ..,
NOTE 6
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INCIDENT OF 8 UAR CH 1 949 :
This i n ci dent was r eport ed b y an AESS Ins}?e ct or 	en du ty at Les A.lam -- s .
The ob j e ct - appeared t o be c.n elipti c a l , 	rathe r 	stubby , 	a luminum b ody sur-
r e>unded or 	c ove r ed with bil l owy fl a.--ne . 	Tha r e may have been proj e cti ons
s i milar t o stubby c or!tro l 	sur fa c es and wi ng s , 	but t he obse rve r 	CL.u l c:, 'K•t
be sure o f 	this . 	Tha o bs e rver described th e 	cb j e ct as l oo kin g r a t he r 	li1, .
th e pa rt of a war time German air plane f r om the c oc kp it aft . 	It di sapp c .: .' .
beh ind the 	cl o uds . 	The po. th was slightly ·les c unding ; 	there was n o n c if e.
J
I •
NOTE 7
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·n. 	-" ' Le_· hoV/.J~l -.G 	tG...
ID. 	--·
'
. 	.. 	. 	' • 	..	~
-

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I
/l,
HEADQUARTERS . SANDIA B ASE 	79 7
ALBUQUERQUE . NEW MEXICO
MAR 3119 ~ :REFER TO FILE No.
SBID/1
SUBJ:IDT: 	Unident i fied Fl ying Objects
TO : 	The Chie f
Armed Forces Special Weapons Project
P. o. Box 2610
Washington 25 , D . C•
.ATTENTION: 	Chief , 	Intelligence & Security Di vis i on
;>
1 . 	Reference is made to letter this Headquarters , file SBID/1 ,
dated 31 December 	1948 , subject as above .
2 . 	Inclosed her ewith are three 	(3) summaries of information
from Fo urth Af'mY , dated 16 March , 18 Karch , and 24 l.iarch )i949 ,
dealin g ~~th the · reports of unidentified li g hts ap pearing in the
vicin i ty of Camp Hood , Texas.
3 . 	A conference was held at l.os .Alamos on 16 F ebruary 1949,
to consider the unnatural phenomena that have been reported . 	Commander
Richard l.1andelkorn represented this Headquarters at this conference .
His report of this conference as well e.s a_transcript of the minutes
of the conferenc e are attached hereto .
4 . 	It is reques t ed that these inclosure s be returne d to this
Headquarters for file , 	after they have served their purpose , 	inasmuch
as t hey are the on ly copies on hand .
FCR THS COMMANDING GENERAL :
5 Incls:
1. 	1:emo, 18 F eb . 	49 	(SBRD - 0- 2173)
2 . 	sum. 	of Info , 	24 E ar 49 w/ske tch
3. 	Sum of Info , 18 , ..ar 49 w/ sketch
4 . 	Ltr 17 Lar 49 ( HQ.S - 4th 55? 7)
w/4 Incls
5. 	AEC 	Ltr 22 Illar 49 	(in dup) w/Incl
( HILL-5577)
Distribution :
l A & 2A - 	Addressee
./' 	3A 	- 	I~ F ile
4,.: & 5A - Cl 	Doc Lib
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4
..
0
., • 1 ,.
• l
T
.....
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•

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• L
Si".'PIN/380 . 0l 	1st Ind
Headquerters, Armed Forces Special Weapons Project, P.O . 	Box 2610,
TI'ashiagton 25, D. C. , 	27 April 1949.
TO: 	Commanding General, 	Sandia Bt1se, P. 	O. 	Box 5100, Albt:.querque, 	N. M.
Inclosures listed in basic communication have been noted and are
returned herewith.
FIT COIDlAND OF 1/.LJOR GEHERAL !:iICROLS:
5 Incls:
n/c
,.
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l 	.
. 	l 	. )
. v.,I 	·1
. 	, 	.0 	. .. 	.
.J
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(.
I 	I 	cop1 s, 	Scr.c
18 Fobrua.ry l94S
REPORT OF TRIP TO LOO AJ.AMOS, NEW MEXICO,. 16 FEBRUARY 1949,. BY C<ldMA.NDER
RICHARD s. MANDELKORN,. u.s.N •• RESEARCH AND DEVELOPMENT DIVISION,. SANDIA
BASE.
Subject, 	Project "Grudge11 •
1. 	On .L6 February,. a conference was held at Los Ala.mos to consider
the so-called green fireball phenomena which comnenced about 5 December
1948. 	The followring were present:
For Los Ala.moss
Mr. N. E. Bradbury
Mr. Marshall Holloway
Mr. Fred Reines
Mr. John Manley
Mr. Edward Teller
Mr. Elmo Morgan (AEC)
Mr. Sidney Neuber~er (Security)
Mr. Maxwell 	(AESS)
Mr. Hoyt
For the Fourth Army:
DEClASSiflEOMajor William A. Godsoe
Major Wynn
For the u. s. Air Force:
Captain Neef
For the University of New Mexico:
Dr. 	Lincoln La.Paz
For Sandia Bases
Commander Richard Mandelkorn
i. 	Captain Neef opened the meeting by saying that the problem was
being presented to Loa Alamos scientists in hopes that they would be able 	/
to indicate some mode of attack on the problem and offer some explana
tions for the phenomena observed. 	He stated that this question had been
classified military SECRET under the name,. 	Project "Grudge",. 	and that the
investigation was now the primary responsibility of USAF,. Air Materiel
Command,. T-i. 	He then turned over the discussion to Dr. La.Paz.
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- 	"""'!!!!11;:::::ss--C::::::::-=:::;;-~1 _:, I 	I
Report of Trip to Los Alamos. 16 Feb 49 (Cont.) 	18 February 1949
3. 	Dr. LaPu stated t:tat he had been assisting the Military for
the past two months at their request in the investigation of tho subject
problem. and want on with the general discussion of phenomena attending
normal meteorite fall. 	postulating the following important character•
is tics s
a. 	Random path of fall .
b. 	Color and intensity variations in l ight emitted.
o. 	Sound.
d . 	Frightened animal s .
4. 	Dr. 	LaPaz then went on to discuss the number of observers re
porting the subject phenomena and the diversity or their backgrounds•
including commercial airlines' 	pilots, military pilots. 	special intelligence
agents. 	Los Alamos personnel (Mr. Hoyt). e.nd himself, as well as various
and sundry previously uninformed citizens.
5. 	Dr. 	LaPaz then described the "Starvation Peak Incident" which he
observed himself• detailing the following characteristics which indicate
that the phmomenon can not be classified as a normal meteorite falls
a. 	Initial bright light (no period of intensity increase} and
constant intenRity during the duration of the phenomenon.
b. 	Yellow-green color (about 6,200 angstroms).
c. 	Essentially horizontal path.
d. 	Trajectory tra.versed at constant angular veloc ity.
e. 	Duration about two seconds.
r. 	No accompanying noise.
6. 	Since about 5 December 1948. there have been more than ten in
cidents analogous to the "green fireball" described, 	and some twehty more
presenting minor deviations to the above. which should be oonsiderod in
connection with them. 	In addition. 	there have been a number of normal
shooting stars and meteors observed.
7. 	There ensued a general discussion in which it was brought up that
the majority of the observers whose reports were here under consideration
were not subject to previous psychological infiuences or prior knowledge
as to what they should look for. 	Furtherr.iore. •seeing .. conditions for
meteor observation throughout the continental United States were at least
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•
(I
Report of Trip to Los Alamos., 16 Feb 49 (Cont.) 	18 Febr1:1ary 1949
average during December., January., and February., yet no green fireballs
have been reported in any other areas. 	They seem.ad to be confined to the
Los Alamos, Las Vegas., and Vlest Texas triangle.
8. 	Mr. Teller then took over the discussion and s howed that a
material object travelling with the velocity of the subject phenomenon
(about eight miles per second) would have to have a mass of about twenty
grams, assuming all the kinetic energy could be converted to light, under
the assumption that the light output is 	in the vicinity of 10 	ergs per
second. 	He then went on to show that the shock wave produced by the
passage of an object or these dimensions or greater passing through the
atmosphere at a height of eight to ton miles 	(the observer fi£ures) with
a velocity of eight miles per second would produce a 	loud noise easily
audible ten kilometers from the source. 	No sound has been observed.
Therefore, Mr. Teller has the tentative opinion they are not material
objects passing through the air. 	We should look to electronios and
optics for an explanation rather than in the field of hydrodynamics. 	In
any event., 	it was apparently agreed by those present that it -was almost
incredible that a large object such as a guided missile or informer
vehicle could pass through the atmosphere at a height of eight miles at
a velocity of seven to eight miles per second without producing a loud
noise wnich would have been audible to observers. 	Mr. Bradbury demurred
so far as the electronic explanation was concerned, saying if it were assumed
that the answer lay in t h at region, many more difficult problems would have
to be solved.
9. 	The following aotion seems in order:
a . 	Recalculation of the data outlined by Mr. Teller with a more
accurate treatment to verify his tentative conclusions.
b. 	The establishment of woll-equipped and organized observation
stations to give as thorough photometric and photographic coverage as 	is
possible in the geographic area involved.
c. 	Assuming that Mr. Teller's theories are borne out by re
calculation, declassification of the . Project to permit participation and
thinking by scientists tnroughout tho country.
10. 	Dr. Le.Paz and Captain Neef have fruitlessly attempted to obtain
information from a ?ll8teorite observers' 	group now at Vlhite Sands, said to
be performing work under contraot for the Navy. 	Commander Mandelkorn
offered to assist them in their endeavor to enlist the servicos of the
group for observntions in connection with Project "Grudge".
11. 	Conclusions 	It is my belief that these phenomena, •particularly
if there are any further incidents., a.re deserving of serious consideration
•See next page.
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• (
Report of Trip to Los Alamos, 16 Feb 49 (Cont.) 	18 Febr~ary 1949
until their source and meaning have been sntiefactorily explained.
Although Mr. Teller's discussion tends to disprove the hypothesis that
guided missiles or informer vehicles are responsible, 	thero is cause
for concern of the continued occurrences of unexplainable phenomena of
this nature in the vicinity of sensitive installations.
•Captain Neef reports blue fireball visible from Sandia at 0530, 17
February 1949, end a yellow-orange cigar-shaped light at 1759, visible
until 1806, 17 Fobruary.
/s/ Richard Manaelkorn
RICHARD UANDELKORN,
Commander, U.S.N.
Copy Furnisheds
Fourth Army, G-2 -- Major Willio.m A. Godsoe (2)
USAF -- Captain Neef
USAF FOFAE -- Brig. Gen. Howard G. Bunker
Distribution:
Series B.
Copy 1 -- Security and Intelligence Division, 	Sandia Base.
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. . 	..
DATE
PREPARING OFFICE
SUBJECT
OF SOURCE: 	OF INFORMATlilN:
COMPLETELY REllABLE . 	• •• A 	CONFIRMED BY, OTHER SOURCES . . I
USUALLY RELIABLE . . . • • • • 8 	PROBABLY TRUE . . . . • . . • Z	
tJ!rasual Lights FAIRLY RELIABLE . . • •••• C 	l'OSSIBLY TRUE . . . . • . . . 3
452 .1 AD.DB 	NOT USUALLY RELIABLE • • • • • D 	DOUBTFULLY TRUE . . . . . • • 4
UNRELIABLE . . . . • • • • • E 	I MP ROBABLE • . . . . . . . . 5
RWABILITY UNKNOWN . . . . • F 	TRUTH CANNOT BE JUDGED . . . . 6
SUMMARY OF INFOftMATION
The following int0l"llat1on baa been reoe1Ted in a report from tbe Otfioe ot
. the AC of ; 	a-2, Headquarters 2d Armorec1 Divia1on, Ceap Hood, Tema1
On 1ai947 March 1949, tour unidentitled lights appeared in tbo T101nit7 of
915.26 • 	855. 19, the li&bte not1oed at tbio ti1:1• were . three yellow and one red.
A patrol ot ltilleen Bo.se, 1n the • Q• Area not1oed two ot tbeae ll&bta. 	A patrol
locate4 on Croamlle Mountain, which consisted ot tour enlisted men or the Aler1J
Foroa saw tour•. Icmediate lmeetiption 1n tbe pneral area railed to reveal a'lf7
cause or ~bing whioh would indicate that aoma J"ireon or tbbg had been in tba
area. 	(B-J) 	( ... Exhibit I, Poat 11)
A~ 18{ch> March 1949, another 79Uow light•• seen 1n tbl approx.1.aaate
viof.nity ot 910.41 - 	855. 10. 	'lbie ligb.'b was repo~ eeen b7 onl,1' oni, man.
1'b9re •• no indication from reporta tbat. :these lights were moving, tbare •• no
notoe, and tbe peraons reporting were unable to make an eetilllate ot the beie}lt .
(B-3) 	(see Exhibit I, Point 	2)
.lt v/i.947 March 1949, what appeared tQ be blinking 11gbta appaare4 1n· tba
d0Wt7 or the Rook Quarr7, located at 905.82 • 	855. 61. 	Imeat1gat1on by tha
Alert Force and patrol.9 ot gUJ.een Base f'ail.ed to re-nal any- cause or person in
that general area. 	Again at J.81955 l\larcb 1949, lights were seen 1n thie general
aft& . 	(D-3) 	(aeo Exhibit I, PolAt #3)
At 19':xu.s March 1949, blinking l1gbta were eeen in the 8all8 general area
90S. 82 - 	855.61. 	InTaat1ga:t1on tailed to 1"'8wal tbe cause or these lights.
All o~ t.ba llghta which appenred in tbe proxblttr ot 905. 82 • 	855. 61 were e•n
by patrols located 1n tb9 • Q• Area and were eeen t'.rom i: ointa between 910• .20 -
85,.36 am 905. 44 - 	sss. u. 	cs-,> 	(.,.. &1cblb1t 1, Point fJ4)
Oaptaia Eorace MoCullocb, Headquartere 2d Areorec! 1>1da1on, and Mr. Bayacmd
Soblidieke, Special A.gent, Killeen &ae, epent sneral boure 1roCl an observation
point located in the • 	• Area la an att.lllpt to eee tbeee bl1nk1ng llghtat.
DISTRIBUTION nx 	as_,, 	OSAJ co, AI:C, 	1gbt-Patteraon AFBJ co, Sandia Base; rBI 	SantexJ
~x, nrtland il'BJ ru.. 	,
wo · AGOFORII 568NW 91526

-- 95 of 116 --

'tr ..
0
0
d(\)
. 0) 	870.00
0
0 .
lO 	TANK 	DESTROYER 	CENTER 	CAMP 	HOOD , TEXAS
0
m 	850 .00 	SCALE 	I: 62,500 	FIRST 	EDITION 	1943
NW 91526
-

-- 96 of 116 --

.,.
.	
.,,
F
INFORMATION
	roh
1949
pd
fflcemo
t
	the
AC
ot
s. G
-2.
B	
dquarter
■
Fourth
Amy
.
	Fort
	Houston.
	Tua•
CO
DE
FOR
USE
IN INDIVIDUAL
PARAGRAPH
EVALUATION	SUBJECT
OF SOURCE:
	OF
INFORMATION:
COMPLETELY RELIABLE . 	. . • A 	CONFIRMED BY OTHER
SOURCES
. . 1	
UIUSUAL
LI
Cl!TS
USUALLY RELIABLE . . . • . • • B 	PROBABLY TRUE . . . . . . . . 2
(
452
. 1
AlCADB
) 	FAIRLY RELIABLE . . . . • • • C 	POSSIBLY TRUE . . . . . . . . 3
NOT USUALLY RELIABLE . • • • . D 	DOUBTFULLY TRUE . . . . . . . 4
UNRELIABLE . . . . . . . . . E 	IMPROBABLE . . . . . . . . . 5
RELIABILITY UNKNOWN . . • . . F 	TRUTH CANNOT
BE
JUDGED . . . . 6
SUMMARY OF
INFORMIITJOII
light
moving "Ughta• appeared
in
the
atmoaphen over or
in
the 'rlcinit7
ot
the
"Q"
area
.
	AFSU
.
	Camp Hood
. 	Tua• •
on
-th• evening
ot
17
Karch
1949
.
At
the
t
	of
these sightings
.
	the
alert
gm.rd
ot
the
2nd
Arm
o
red Division.
under the
Aa
■
i
■
tant
AO
01' s. G-2 of
Camp
Hood
.
	waa
in
the area oonoemed and
prepared to
tire
fl
	res
and
record instrument
rea	
a ot
ele-n.tion
and
azimuth .
!he
purpoae
••
to
oheck
the
ponrs
of
observation
of
obseMff
■
who
had
previou
■
ly
reported
the
phenomena
observed
on 6-7-8 llaroh
1949
	d
heretofor
reported
in
Sumnary
of
Intormatian
.
	thia
headquarte
r
■
•	
dated
17
Ila.rah
1949
.
1ubjeot1
"Unuaual
Li	
ta
. " 	Howeffr.
	baton
thia
	peration oould be begun.
the
aerie
■
ot
8 \Dlusual "lighta" appeare
Ooordinat
	of
light
■
and time
of sighting
toll
	I
Ooordinatea
	TiM
910.40 -
855
. .
.
14
	1952
910
.
39
-
860
.
13 	1958	
::, .
OECLASSW[O
910
.
42
-
860
.
14
	19.58
910
.
38
-
860
.
15	
2000
910
.
32
-
855
.
20	
2000
6.
	910
.
30
-
855
.
17 	2010
910
.
36
-
855
.
06	
~
e.	
910
.
37
-
855
.
35 	2152
Ooordimtes
nre
baaed on dual sightings
ot	
ach
light
by
aighta
on tanka
•
ot
obaernrs .
	T:lm	
• 	olooked
at
in■
tant
of sighting
. 	Captain
Jl
oOullougb.
the
AHi
■
tant
G-e.
	personally
observed
three of the
light
■
•	
Hlysioal character
i1tio
■
of tile••
"light•"
were
reported as "quite
different"
fr
	thoae reported
on 	7-8
Ma.rob 1949. 	One
burst into a green cluater .
	One
••
reddi•h• anoth r
white . 	One
obsener
deacribed 1cme
ot
them
a1
similar to Very
Pistol flares
.
1le thia
phenomena
	•occurring . 	a security detachment frm. the
"Q"
ar
arri
	d 1n
the vioinity _
ot
the
alert
crew
frm. the
2nd Armored Diviaion
.
DISTRIBUTION
u . • • GOH'.I.NIIICNT
P■
Ut
T IN&
or,1cE 	16--683
..
1
NW 91526

-- 97 of 116 --

PREPARING
OFFICE
ttioe
ot
tu
A CODE
FOR
USE
IN
INDIVIDUAL
PARAGRAPH
EVALUATION	SUBJECT
OF
SOURCE
:
	OF
INFORMATION:
vaJSUAL
LIGB!I COMPLETELY RELIABLE . 	• • • A 	CONFIRMED
BY
OTHER
SOURCES
. . I
USUALLY RELIABLE . . . • • • • B 	PRO~ABLY TRUE . . . . . . . . 2
FAIRLY RELIABLE . . . •
••
• C 	POSSIBLY
TRUE
	. . . . . . •. . 3
(452
.1
ilADI ) 	NOT USUALLY RELIABLE . . • • • D 	DOUBTFULLY
TRUE
. . . . . . . 4
UNRELIABLE . . . . . . • • . E 	IMPROBABLE . . . . . . 	5
RUIABILITY
UN
K
NOWN
	. 	. F 	TRUTH
CANNOT
BE
JUDGED
.
SUMMARY
OF
INFORMATION
ft
-..
:thjJl
dninwaed
that
no one iii
tu
•Q• area
wa
■	
1po.uib
l •
for
the
,~
. 	•Q•
area
th.a
wnt
on a l
ert
atatua
. 	Ordnanoe oheok baa 1ho'im
that
nothing
iJt.
tu	
y
et
pyrowehm•
m
all
•	
ha
■
bNJl 1
ana4
or uae4
in
aontu
.
Ilnw~tioa
of
who
le ana
by"
pielm4
vna
1•
being
•-
and
acldi
tio•
l
report
■
will
be
rtilidencl. 	u	
1D
the
-
■•
ot
the
6-7!'!'8
».roh
•11gh'ta. •	
tho••
ot
~
17
th
9braokn"
1m8
•Q•
an&e	
0.
gl'Oup
of
3
li
ghta being
Jforth
ot
the
ana
and
em
group
of
5
11
	:ta
ju
■
t
South
of the
ana
.
	Ove
r
lay
~
lo eatiou
i
■
atta•
cle	
(
.axHIB
I T
I)
hdera
l 	Bare&u
of
Ime
■
tigatio~	
San Antom.o.	
taa
■
•
Oftioe
of
Bt.w.l
Inte
W geDN. 	San. Antomo.	
Tua•
• h&Te
beu.
notif
i •cl•
	Direotor
of Inte
l
lig•noe
1
Air
Mt.t•rl.•1
Oamnan4;
Ottioe
ot
Speoial	
In:ri1tig&tiou
.	
11rt~
Ur
Foroe
Bl.H
J
and
uaaa.n~
Generai. 	Sandia Ba.•• • are on
distribution of thia
Summary
.
DISTRI BUTIOII
PII , SantexJ o
n,
Sante:i:1 DI ,
	GSUSA
J
oo
. AllO J OSI, ltirtla.nd UBJ 00, 8aDd1&
le
WD U, I ,
~YQNIIIUT ...
INTINCi Ol'FICI:
	10--633sf0-1	
5 6 8	·AGO FORM
1
JUN
47
NW 91526

-- 98 of 116 --

I ~ 	z::::;;:::::
0
(\J
(Y';
865
II)
'C.l
~
><
0
0
0
(!"'I
0
850000 Y~rds 	<""
TANK DESTRuD.!R c1..,·r.ER, 	c.1.ViP Hov.J, TEX.i\.S
SC ..:.LE: 	1:62500
(Firs6 Edition 1~43)
NW 91526

-- 99 of 116 --

r :
NW 91526

-- 100 of 116 --

lp2. l AK.t\DB
StJBJEC!• 	U.iwnal 1.1.~ti
1'0• 	COlilnaniW,Sg Ge:::tenll
Sandia Daso
P. O. Box 5100
Al~rqua. 5ow l1n::lco
Afflh 	AC at s. o-e
~ attaohltd SU1:1:11r:, of Info.maticm , 	this ottice , 	subject a.a
I.bow• 16 Uarob 1949, re '1'8ports o£ "lighttt" observed owr Comp Ilood.
~. 1a 1'orwardad in duplicate f'f)r your lnton&ation and a:xy i.\c'ticm
daemed,ne.,eaa17•
.FOR '1'HB COl!llA.liDinG GElranAL-s
1 Incl (dup) 	EUSTIS L. POLAliD .
Ae ata:ted. ../.mtIBI'tS 1, II. 	ColmUJl. 	GSO
III~ e.ncl lV 	AC~ S, 0-2
NW 91526
tp:n -.

-- 101 of 116 --

SUMMARY OF INFORMATION DAT£
16 March 1949
PREPARI NG OFFICE
Oti"ioe ot the AC ~ s. o-2. Hoadquartor■ V· urtb A:r,q. Fort Saa Ro uston. 	'l'aaa
SUBJECT 	CODE FOR USE IN INDIVIDUAL PARAGRAPH EVALUATION
OF SOURCE: 	OF INFORMATION:
COMPLETELY RELIABLE . 	, • • A 	CONFIRMED BY OTHER SOURCES . . I
tlnuiWLl Lif#lta 	USUALLY RELIABLE . . • • • • • B 	PROBABLY TRUE . . . . . • 	. 2
FAIRLY RELIABLE . . • • • • • C 	POSSIBLY TRUE . • • . • • . . 3
NOT USUALLY RELIABLE . . • • • D 	DOUBTFULLY T RUE . • • • • • . 4
UNRELIABLE . . . • 	. E· 	IMPROBABLE . . . . • . • 	5
RELIABILITY UNK NOWN . . . . . F 	T RUTH CANNOT BE JUDGED . . . . 6
452•1 AD.DD
SUMMARY OF IJIFORMATION
FoliOWlzl.g ia an interia ~ pred.ioated on requ4tat ~ ~ J'ourt.h /U'r!q
Uaiaon Ottioer at Se.nclia Ba•• tor thl ■ boadqunrtier■ to 1nw ■ titnte and report on
•.tireball• pbenaaona reported to the Comuend1ng General, Se.ndia Ba••• by AJ'SWP
inatallatian at ~ Hood. 	Taaa. 	neport 1tated that ■noral a1 ght1nga 0£ unuaual
"li 	t" pbencnea& in the atmoaplwre abow Site Baker (Q Ana) bad bNn -.de by
nourity pencmnol there du.ring the pffiod 6 - 	8 llarah l~ • .
AT CA14P BOOD. 	it•• d8termined that this type of phen<DeDIL. hitherto unnpo
1"l'Cllia the camp Hood Ana . 	baa the acune general cbar&oteriat1oa of th• phenanam.
obaened during the past NWral montiut ail Sandia Ba•• • 	Beoauae obae"'8ra wore in
d11'torent looationa and &Cllle wre not certain aa to time • 1.t i• poaa1bl• tbat
obeonation report.eel within the IIIUlll9 hour on 'the aama date are da.tplioationa . 	I't
sh ould be n oted tba't none ot thO obaenen had been 1.natruoted to look for or
report a.ey sort ot atmo■pberlo phenanem,. 	AU stated wit.bout •quivooationa the.ii
they bad 118'V8r before MCL an.,-thinr; resembling the report.ad phona:iuma. 	All cl,aSmed
to h ave aeon "falling stare" nearly ewry ni{jht on the Camp Hood Reeerw.tianJ but
all were aq,hatio 1n atatlDg tha~ this phencaena w.a qu1te dU'feront . 	All men were
inter-ropted oepo.re.tely and had no adw.noo n otice thnt they would be qmstioned.
·At'ter the interrogation they wre taken to tho apot where the obeena.ti0ll8 had baa
naae . 	~- points 1'8re ntnbered s.nd then plotted on aap . 	camp Hood and vio1n1ty•
1/62 500 191"• 	Owrlaya haw been made am a 	cop;y 1• hereto attaohede 	The
obooner waa thon told to ala a eurt"8ying inatnanezrt . brou~t along fo-r tho p urpose.
a-t the oelesticl. p oints of origin and or teminatioo ot the pbsncaom.. 	Vertical
angles and cacnetlo aaim\l't:h ot each point was then reoortt.cl. 	In moat cases . 	th9
obaerftr w.e a le t o .tlz aa1nnttha by acne terrain teaturea . 	Vertioal anglaa ware
of ooune ostimated exoept ,m•re elewttona ot obaenationa e101noidad With rid(;e
Oil tree lines .
Obaenatians on 6 llaroh 191.St
1 . 	Praa observation point '6 (aN attaohed cmtrlay)
• • 	Looatio.u o£ po1nta 	909 . 7 - 	657 . 5, Tlae1 	2100 how-.1 .
b. 	•tmlra 	0 Teroaa t 	( ■N attached 119&tber report) .
o. 	tne•••• 	Sgt Ruben J . 	Viokery, AP '4932926
lat Provost Security Sq
lilleen Ba.•· 	Camp Hood. raaa
Plo Jolm c. RaneClll.LAP 15252814
1ft Provost Seourivy 8
DISTRJ BUTIOH
· AGO FORM 56 aWO 1 JUN 47NW 91526

-- 102 of 116 --

• 	I
'
aiibirs 	l
Shlipe1 	Oblong
Siae, 	Dltaori.bed u 	;ttabaut e tt by l 	tt•
Colort 	i.l.e blue-whito 11~
Sped, 	Bot known
l'Jinotia1u 	Pr-ca 11 74° Wto• 81°
nwrab111ty1 	Bo &nla'ticm traa oOIU"H
Altitude, 	PrGl 6° abow horlzcm to h5• abow
Sotm.41 	ROM
Bll:baut 1:rall, 	Sgt 11ckery reports no• • 	Pio RtllllCD ~ortod
a faint plilkiab. Nd trail a:tendi.11.g abouii tiu"ee tSJiea tha
~of'ih•~•
2. 	Ftm bbattl!'W.t1on point ,(/,1 (IIM attaohed Oft1'lal')•
• • 	Looation ot point, 	914 . :, - a,5.7, TS-1 	About 2020 houn .
b • 	.._there 	Owroan (Me att..cbed 1M&1:her repon).
o. 	li1t21NHB1 	P"l't Ylrt1n 	• ~. DS 57~5
l,2n4 AD. CcnparJ7 A
Cantp Hood, Tuit.a
PYt Prank: (&I) IA.d.al. t18 ffl0011>7
)J2AIB. ~A
Qla»HoCHt. 1'ua8
4. 	Objoct slghted a
~I 	1
Sh.ape a 	Ball lllr;e tlaah
Slaea 	Loob4 Ub bollkctbaU
Oolort 	Pale bl~tEt Uc;ht
8,peff1 	Bo-t 1cnOIID
Directiona 	K ll)O B
~bilt.-ty• 	lone 	•s a "£1:nd flaah11
A1t1tud4ta 	590 abow hol'iz GD
S0'2Ddt 	Kone
Exhauat tail, 	cme
2
NW 91526
< 	SEC?.£T

-- 103 of 116 --

8/1. 01'ttoe o:t thli AC ot s. o-2. 	•~ Fourth i:r,q. Fort, s.a Bou.aton. ,--...
16 Ila.Nb 19l9. 	n1:tj. 	"~ Ught,i"
, . 	l'NII obuna'l1on poln-t fl3 	( ... attii.ohtld owrlay) •
•• 	LooitiGIU 	'Sn4. 5 - 	856. ).,s 	'1'i.lM1 	About 2Q45 houn e
OW:roaat ( ... attaohN watbilr nport).
•• 	tDNu 	ht Harold D. Uoore, 'OB 67410066
~d AIB. Compa.117 A
CUip Hood, 	l'--..
a. 	Objeot aigbwda
lblber, 	1
Bb&pta 	Roundiab head with tr&ll
ss... , 	About 100 ln 1~
COlor1 	L191t ooloNd haa4---# orange tr&ll
6~1 	Bot knOltD
I>tnotiozu 	Fraa s 81° 	to 6 «JO
111.nM&wtabllityt 	Io drn.atian b'CJiA ooune
Altltwli9a 	Fraa 21° aboft hortaon ta 6° ,1• a'bow
Scnmdt 	lam
Blbauat trula 	Orange trail abou1J 100 l.ong
!R.alark:81 	Appeared to be coing owr Q area
ObHrw:tiou on 7 MILroh 1949•
1. 	Pl'Clll obeer.tion point 41 (aoe attached owrlay)
• • 	loaatum.1 	914.3 - 855 . 7 I Tlllila 	0115 houri .
'b. 	._there 	Cloaz- ( ... attaolwd ,..t.h•r ~rt) .
o . 	Wltn.Ha 	Pfo .Robfft. ~ Blaolc, US 57ll2155
~ AU, Ccape.iiy A
Camp Hood, 	, ...
4. 	Objeot •ightedt
Mil•ra 	l
Shape, 	Lib t'laah bulb
S1N t 	Pl&ih bulb
Color, 	Brilliant bluit4blw
8pM41 	Jfo:De
D1reot1<11U 	N J$jO B 	_
Jllneuwrab1lit;y, 	lone 	t'iDd l'l.Uh
Alt:ltwle I 	66° 15 t abne hOl'laOD
8ouncl1 	1fcme
lllbau.at vai1a
NW 91526

-- 104 of 116 --

(U) 	....,._, 	ThU obternr 1D
mlk ~ and el.Matlcm
Hen ~:Uk• this 	anena. 	ore .
2 . 	J'na obffn&t1on point 	(aee attnabed owrlay) .
a . 	U>ont1onr 	915 . 1 - 6,6 . lJ f1m6 r 	OU5 • 	01,0 houra .
la. 	thor1 	Cl.ear (ne attaolwd weather ~ol"t).
• • 	tne ■■ t 	pyt Paul c. emnt. us~
1,2n4 AID. cc.p,,19 A
c-p 	• f'naa
a. 	Objeot ai~tcd,
:Umber, 	1
Shape. 	Like tli.-11 bulb
:31a• a 	Baaketball
color, 	lrS.gb.t bl~te
8pee4a 	one
Di.Notion, 	B 16° ff
euwrab111~• 	llone••.fixod .fl,qh
Alti:tum, 	'!7° ,O• a.bow horUoa
somiaa 	llam
am.uat tn.ilt 	Ii'one.
3. 	Pim obsenatian point 45 (... •ttaobecl owrky) .
a . 	LDoatio1u 	9~.6 - 656.71 timot 	Ol~ • 0200 houra .
b. 	n.tner, 	Clear (... attaob.ed 1N&t.her report) .
o. 	tnea ..11 	Pit :Franoeaca (r.MI) Lenal'do. 	us !m,75QJ..o
~d AID, 00!JlpAny A 	.
ca::ap Hood. 	tama
M 	Savino 	• Dlp, US 57175036
t,2na AID, ~A
Ca.~ S ood, tea.a
ct. 	Objeot atr,iteas
tbiber:, 	1
Shape a 	n,.11 11b flash
s1.. , 	Lia l'l&lih bulb
Color, 	luiah lihite
NW 91526

-- 105 of 116 --

~· 	lot laiotm
~-• 	820°W
~wn.blUt)?t 	ll~cl tllish
.lltitudea 	260 &bO'ft hori&Oll
Sound• 	Honii
lllhauat trail• 	Kcmt
4. 	Pr.a obaerw.tion point ~ (N• attaobed o--..rla7)
• • 	t.ooations 	9Q9 . 0 - 	856. 9, Timiit 	0145 hoW'W.
1:t. 	W...1:hert 	Olear ( ... at-taabed ww.ther l"!l)On).
o. 	taeae, 	Pfo Ja:a DJ.~ Vanlow, A7 15416997
lat 	OTon S.ourit"y Bq
c.iap Hood, Tea•
l!lm'bera 	1
~* 	!Ml'dhip 	•
Sisea 	•About 2 ft by 1 n;•
Color, 	Orange
SP"d, a 	Rot known
Dinoticms 	Jr 600c B
~wrabili"1'1 	lJo diena'l.1cm
Altituoa 	4 	when: tint .._-dropped wl"tl•U,t
Bound, 	....
:Blhaut trail, 	lone
ReliarkaJ 	Witm•• aaid Vii ■ nur)lt" dropped wrtioally to
ground -.n<l d1•pJ>41&Nd bobind trMa 4inotly ln Lront of h.1m.
Inn• "about 2 aeoon&s . "
ftiail obier,ation po!nt 	l 	(He attaohe4 overlay).
•• 	LDoatimu 	914. , 	- 855.7, 	~• 	About 0;1.()3 houra .
b. 	..._thera 	Clear (ne attaobea weather Nport}.
• • 	!ffi:bNa 	PR Qlarlie B. P4,ne. 1 	llS 572U002
q2:nd AIB, ~.A
Oeap Hood, !ea.a
5
NW 91526

-- 106 of 116 --

lblibil"I 	1
Sna,., 	Boundi ■ h head '.W1th haiy moke trail•
SiN• 	Not known
\}olor1 	Pa le 'Jlt-.ite light o.t boad
Speed, 	fiot known
Direot1ona 	FrOCl S 58° :S to 8 54° 1i
~n.bllityt 	.Ro dinlation
.Utitucwa 	r011L ,so a.b0ff :nori&Oll to 54o abcmt
SO\liMlt 	ffl>D9
Bxb,a.uat traUc 	Lett ba&y white amok.-. trail
~• • 	Ttafflled 1h arQ Md 'risible "long eno\~ to
9,Dap your .i'inceni ."
a. 	l'NIII obHnatiCJ111 point f4 ( ... at11Lcbed owrlay).
•• 	LOca.tion1 	914.6 • 856,71 	!rimes 	tAboat 010,.
b. 	ee:thert 	Cl-.r ( ... attaohed wather report),
•• 	mtneau 	Cpl :wite ~ Siiilli. BA ,87531.,46
Oanp~ A, ~d AID
ca.p 1lood, 'tfl&a
a. 	Objeot aight.d.1
lblbert 	1
Sha~ a 	L1N1on m.th -tail
Sia• I 	lot known
Colors 	!>ale reddillh no••• ,m.itieh nd trail
8i,,eiI 	not known, buil ...ry i'a■t
Direotlecu 	PTaa Jf 56° l1 to S 64° W
~uvorab1UV• 	l~ deviation
Altitude I 	Frail 15 	a ow horiaon at be,si:iming and end uf a.ro .
Sounds 	!(one
E:11:baua't trail t 	lh1tiah l'$d trail
Rearka• 	Good obaoner. 	Stated -that "light"•~ t'r<a
point r..bow horizon then arced upwar4 and dCIIIIIID to 15° when :l1:
d18&ppeare4. 	Tfae perteot a.ro. 	R• w.a able to run 10 p,..otta
toward tiold telephone to !'!Port lit,ht before l't wniiMd e
!bi to~ inoidllnt m.y or -.y not l» oormeoted1 	.lt abO\ft 1930 hotir9 on
7 lll\Nh 1~ 	a 11.aahllght waa eeen 	oit..ng about the Q Area i"enoe line rwar 'tb9
a.ii" atr!p• 	It
1
o 	d not be told by th• ob9et"Wr whether 	the light wu within or
6
NW 91526

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wtt.boa t.lie .tem.. 	Th» Seourlty Oftloer of Gito Bu::er ls lliwati 	tlng. 	He ■ tat.a
1-h• lJ.dit ,.. not Ni'riecl by u_y or the :AFSUP ~raonnal .
lm'lt•tigaUon cont.Sm•■ iJl an ettol"t to determine caun ot the 	lighu." 	J.Ait
lntomatiOll la that ~ "trip flan• ha-.. bMr2 	ut into the ~nl. an& l?)" tJ»
2114 ~ Division and that ■ ale may ha~ been aet o~f by idld. animal ■ • 	Subae
~, •~ 111dll be renCS.J"N. -.mn nore exuct eY.ldenoe on t l ana :i■ obtaiDN. 	I~
1• p~ known., 	owner., that th••• £lane explode on the ,;rou:n4 and do n ot
lthoot into Ute Ur.
lo eonolwsion le drawn l"rcm ttie data on a:ttaohed owrlay other 1tian w now
~, :the nllc)'lta" t'orm a l"'Ough olrole about the "Q• A,- . 	Copy of l'W"flaee --.ther
obaenatS.oaa tc,r CIUlp Rooct on the 6, 7, and 8 	roh 1949 aN attaohol u 	a poenblAt
alcl li ant.'1918. 	rtd.1 NpOr.t oowra cnly &ty houra ■ 1noe th• 'lJSAJ' • 	th.er ..,.-.t•
at ~ Hood i0l0Ha at l"IQO hour:s Md opona at 0730 bou.r-9 .
a:EIIIt l 	- OWrla.7. 	7am: Deetr-oyer 0.nter, camp nooa, Texaa
BlHIBlt II- 	tbv ilepon. 	6 llal'Oh 1~.. IJcap Hood, 	Texa■
BmIBIT III - 	t1atber Report, 	7 llllroh 1~,, (:mi;p Hood, hxu
BIBIBXT IY - 	ther Rel)9d,- 8 !lu-oh 1.91,9, ~ Hood., rexaa
)NW 91526

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Cl
LENGTH 	OF 	RAY 	LINES 	DOES 	NOT 	INDICATE 	DISTANCE 	FROM
OBSERVATION 	POINT 	TO 	OBJECT . 	DISTANCE 	FROM 	OBSERVATION
POINT 	TO 	OBJECT 	IS· 	UNKNOWN .
z
9 	7 	MAR
{\)
:z
86S -	O')
0
~
6 	MAR _.
GRE 	ESlr, 	ATE 	6 	l94
RED II
7 	MARCH 	1949
II 	II 	II
b-' 	R 	I 	... , 	t. 	...
~ MOVING 	OBLONG 	FIRE 	BODY 	WITHOUT 	TRAIL
1°W 	ELEV 	21°
~ 	8 FIXED 	FLASH
:.~ 	MOVING 	FIRE 	BALL
.,,,,. -=--:= ;;-c:> 	MOVING 	OBLONG 	FIRE 	BODY 	WITH 	TRAIL
I. 0.- INITIAL 	OBSERVATION
TO -TERMINAL 	OBSERVATION
6 	MAR
- 	..
7 MAR
~
TANIC 	DESTROYER 	CENTER 	CAMP 	HOOD• 	TEXAS ~
L
SCALE 	1112. 900 ()\
~o
FIRST 	EDITION 	194 3
LINES 	AS 	SHOWN 	ON 	OVERLAY 	HAVE 	BEE N 	CONVERTED 	FROM
MAGNETIC 	TO 	GRID 	AZIMUTH.
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-- 109 of 116 --

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-- 110 of 116 --

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I
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t ,/	. 	.

-- 114 of 116 --

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-- 115 of 116 --

.. . '
I I
j
I~
34377373NW 91526

-- 116 of 116 --


\`\`\`

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Extracted text — DOW Sandia Base UAP Reports, 1948-1950

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i ! i ! 11555: j Ifow E exic o !toward j35°
in g • :to 2 : !lar iair:;ilo.ne s lo w to i1 !! 1 I i i ’ !sround !above i~ilve r i mts i !lite ! very fast j. .. ~·· ·– -1– ~–)· -· ·· i ·· · ··· ·- -