PROJECT BLUE BOOK

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Ye So UNCLASSIFIED

“LYORRP?

Darcer Dam Area 3600 Plying (rng Ying (Iatellizence Of?ice)

3.
Gavtain Roderick D Thorson

5 Varsh 1953 3 Mareh 1353

2/Lt. Louis curry
Fie 200-5, FLYOBHPT, Our Messaze form

No-ort mbmisted in commiiance with ,7i 200=5, Monrtment of the \ir
Toree, dated 29 s»ril 13952.

Ovseryetier of unidentified flying o>)ject ‘Sy Certain cilerick %
homson of this dase,

iianivicenes of this revors ia undeterniaed,

DOWNGRADED AT 3 YEAR INTERVALS;

DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10

APPROVED:
? J SS AA
ours cmay
| 2 lB. mee
is. . « ‘tatemens 9 “Irine Pome Fine
3 2 = 2Reten 1 snd 2 -slitronese (Pftiear

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ce

Original - 1, 2063/0, Headmartears /4,/,

wey OL mme
waee, Aig och intel Canter, ANTM: AflAs-ec, ‘rigntefPatterson jiv3, -hio
- 0, Aiy Training Cemmand, Scott AVS, Bellevwilis, filincis

= 08, Grew Tanining AMP Yeree, Ranielph APB, Sen Antonio, Texas

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‘[O0th 1g ree ting
Luice a?" , _sndaie, Arizona 2

4seia Roderick 9. “onmmson, instmector -ilot, issigned to Lure (ir Pores
Inse, rerorted the sighting »f an unidentified object whien ha ond tom fallow
officers o»vserved waile on «a -raining cission.

investization by thie office e=roduced the Pollowring informetion:

‘viect was never octually observed, mt a high »lbitinude enndensation
ASGorn oe oSserved, hon fires sighted, contr2ii ms a-mroximately 320-500
30% in idlometer, The oattern dDezan 7itA a emmota, airelire isscines odes,
luteienling into an crescen’ share, very toin in denth and vith on irroaniar
trallirxs edwe. (ref axaten 1, Inel 2). 3 the source sn7Te chase, Sie contreil

-

aia 9 silat din te tae nortaweast ond Sean climbing as 20 Jexrees. uring
this tonenver, source nd oD jeecs were «5 richt anzies and 428 oosarved tne
ri to oucear as wp nosed, very toin odjeet, 25005 JOCesX%) "248 isa

risa om irrs@guiar, migvy ‘trailing edze. (ref seeteh 2, inci 2). Iumeliaceiyz,
2 heovy condensation tr-11 ‘eean to form ond extended for a->rozinately 1000
Poet O-ck, «wb which soins 15 esvares 4 inte «2 dondvie tra:i wich wain 392
. nareximately 1000 feet lonz, ending abra-tiy. At tata tine ooject rs
travelling a&b an astizmnsed “OO YP4H tre air meed, “he cost umensl fisaters
"2g [Ae sontrail ataye? “th the nnsichted soject, and 719 nos ev ttand sacroeas
the o<7 98 in the case §* ¢ nventionali aircrort contrails,

2, ‘ine of sighti» ~«s 13258 hours on 3 Mareh 1953, Tor » period of
7 - 10 mismtes,

7% Janner of Olservation: Aerial observation at 25,000 — W,HO fat
from on P=3% type airersft. Pilot wos crnising a8 25,900 feet altitude, tme
airsneed 500 MPH when ot jeet was first sizhted, <A faw simatesn iatar, 70,500
feet altitwie and 560 Wit ene attained and nilot chased object for an estinated
50 - oO siles befere weaving off chase, A full armament and Mel load was
being carried, hewever, source stated he ms closing vith the object fairly woil.

4, Observers position et time of sighting was srcrozimately EJGE 2525 at
25,000 7eet em the Ga)KeP erid, with contrail at ten o'clock hich, amroxinzntely
over “J7B 5520 at 35,009 te 45,000 fect altitude on a headin: mime west,

5. Sighting was sande vy Captain Roderick D. Thomson, 1600 Fichter franz
Gp (ftr) Lure Air Foree Bese, Giendnle Arizona, Cantain fhommson, en inetrmctor
pilot, ves leading = flizht of three #5 tyne aircraft on a simminted conbd-t
strixe to ellis AVR, tt. Jack & Brasher, anid L&. Theena %¥. Yia III, student
vilets, "sre serempanying sores and 3) 20 .°servad mDbject. scentrail., jioverer,
theee on lid net give chase to the sisted 70 feds,

* ‘ather a® 9: 304 homers clasr, vixsibility ~4 obles, *emversinre “ levreee,
leymp int °c. Winde alert: *%0,900 feat — “SD deerees afb (3 nots: “5,500 - 775
ijere~? 0% [Oe neta.

sere lngicsi (jwnemenen Teor
; a eros a ear? oe peeeens P Eee a "aah >of = 4H “> om Pt a2
2 “rR b9RMe

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DECLASSIFIED AFTER 12 YSARS.

DOD DIR 5250.10

i — ” et ‘e? |
500th flying frng fine
ux@ <.°3, Glendale, viceonas 5 5
. ae
12, 'o9 other military or commercial air traffis cng in the sicinity at
tice of signdiag.
IIgs CyARy
/ * >
i scence Jf7teer
me Ting

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AF FORM 112—PART 1)

APPSOVED | JUNE 1948

AIR INTELLIGENCE INFORMATION REPORT

| aePDAT NO.

Wwenew)
3000th Flying Irng Wing

FROM (.

a

-——

Luke APS, Glendale, Arizona

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rete, ee haf Ean ry a mn © he eel
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oe Coppers OP SF sohay a ome peal yA Al : ae wy ity th Se ws
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acter
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} : ¢ . i, hogs ‘
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at na tal an . . ‘ La 25 - . _—
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Bee 2 Ry Qo ne . i ’ : . Le ,
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a | we thrar “+ a ee = ak Ts re AS x eb . Tee
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DRA¥ING OF ORIGINAL SKBTCH

a LP OLE EE te lee ay em eee

Incl 2 ( Sketch 1 )

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AF FORM 112—PART i era: UNULASSiFicL

\PPROVED I JUNE ‘948

AIR INTELLIGENCE INFORMATION REPORT

#ROM \ Agetcy) LPORT NO.
3000th Fiying Trng Wing
tuke APB, Glendale, Arizona

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FM CG LUKE AIR FOR case ARIZONA

TO CHIEF AIR TECHMICAL INTELLIGENCE CENTER WAlGar PATTZRSON AFS OHIO

/ giana at, 2c. FLyosrPT : ATTN: ATLaAA-ac) “MSG Ga

208C REQUEST SHIPPING iNSTRUCTIONS OF FILM TO YOUR HEADQUARTERS FOR

—_

al

iECHNICAL ANALYSIS.

| DOWNGRADED AT 3 YEAR INTERVALS}
Ans { ECLASSIFIED AFTE YEARS:
O'S 2504 BAR. SUEUE ” DOD DIR 5200.10 -

SACLASSIOES

=) File

ae Li2

TS TT TT -——-se-

a | JOINT MESSAGEFORM |"

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SPACE ABOVE FOR COVUUVICATIONS CENTER ONLY
FROM: (Originator) DATE-TIME GROUP SECURITY CLASSIFICATION
| 1012002 MAR 53.

. ACT? INF IRMATK
PRECEDENCE | ACTION oo

FOR: ROUTDIS

TO: ” ra ea ary - - niow y°r, |
GG Ow tet Am ToRCE BjASS I2IZONA a BOOK MESSAGE | {_} 921504 M aGz
as | cr (PYOPMECAUTION

pene we at -_ ~y
; MULTIPLE ADORESS ] ves a} nO
; os eneqnempnemeemneneeeemedi — = _ —EEEE—

PEt eS TO NeaeAvet:
IQENTIFICATION | LAB aL CN Ladies 5

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<2 Bie Ee

a a | ‘ . ; 4
ES A —-

iNFQ:

UNCLASSIFIED
FROM: AVSODRATIAB=j-0-8

:
LL A at

Reference your message /°/110, concerning unidentified aerial object signting by fo
type aircraft recording »»}est on gun camera film, ATIC requests your base determine
if any noticeable object turns up on this film and i? so, that the film be forvarded
at the carliest possible diate to the Air Technical Intelligence Center, Wright
Patterson AFB, Ohio, ATYk: ATIAE-5,

In reply cite Project Blue Book.

COORDINATION:

!
.
' _—_—— :
: '
res " .* oa ewe, ¢8e8 etre
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—_- a . - — ee. ¥ > * ate es :
; sok ; ELSPHONE / i TiFkZ 34 +e eh Pe ASO . Sa?
a+ - -_ - ‘ - - La. ho -
ATIAS5 23305 Ltt Aes TIATED GSR al

jp ww =] oF REPLACES WHE *OR™M wa, 1 MAY “a \4——-4.4 733-1 : 7 t boy en ernt Se. elies Wigs
roct aa b 4 SS wwicn war se veo.

|

|

O6V————meeees SPACE APOVE STO? Or
FROM: (Ortginator)

:
’

INFO:

'

Ja peply cite ‘roject Due wet,
TI ONs

|] MULTIPLE ADosEss _

—1— -

IDENTIFICATION

DOWNGRADED AT 3 YEAR INTERVALS;
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10

Fee —— oe -~-

>
$ reefure, wten revered)
sl
’
- ee ‘ea

= - | _ 73 PLACES «ee Pu
JI head “<tT4a it Z WICH May TE SED.

“5385

———

MAY & — lint étesttme toment

ee ae

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——_— ee... _ ee cee — =

—_—— i ——— ee ee =

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LINCLASSIFIED

—" —_—
- SECURITY wiPICATION Uf ang)

DISPOSITION FORM

———-—--—-—

Sugiect

TAPR 1:
B/lS Futch/7s
a - f- > .“ Fey . NN
- ied, i os?
An ® seohe w conversations that your offices had with ib. Hermaa of the
technical eliigeace Ce wer in Cotoler L952; is is reqguessead =uhat you analyse
inclosed mim camera film of an wnidentified serial object.
';
ATIC has been unable to concluie the identity of sogect. if the ject was
Tapor wralil seems to t here would have teen a gradual decrease in densit
the enc an rradual spli vasor would have occurred,
3. de are also inclosing ail the information received on the sighting so
you wili Se ramiliar with ail the facts surrounding the sighting.
2 Incls
1. Gun camera film
y2s.File dtd 3/3/53 Air Adjutant General
.*
bir Technical intellivence Canter
if fnclowsee.. 1 %Y. Ts wit? drown (or
nowgitachec:.), te classifieatio: ,or-
respondex- 2 wil be ‘downarae 2d to Anat kn *
accordance wilh Pee 25E, At Rust.
<3
ie ta

~ COMMENT NO. 1

Pat "Pa

TD RM SS eres nee rons as.) oct ao. wricn may ae use ee hie PPS NEY SERPTIED OF EE| HE'S emote

~
--s :

|

| JOINT MESSAGEFORM |” |

deren

— ——mm PACE AZOVE POCO MAL YICATIONS CENTER ONLY

FROM: (Originator)

eo (et?

Ҥ be

10: OG SUMARRS oF [ROC Cal

INFO;

TUMs sAPOIR TIA be | |=FOR DITELLIGHCZ OF TIGER

ATIC renteaeting your bees with reference to an unidentified object sivnting made by
om 7aO4 ailot from inte AYA, Arizonn, Time of sighting vas 1525 bre. MST, 3 Mar 53.
Plot shot 30 ft, gum seuera film resuitiug in an object wiieh appears to be a long
contrat ami this pilet ia ef the opinion that the objcet aay Lave toen an sircratt
from idtwards AFR, ATIC desires to mow if any aireraft of your bese wore in the

2-3
In veply cite Preject Bins Book. yy 452)

DOWNGRADED AT 3 YEAR INTERVALS

1 tT > D ; ye? ’
4 wie oh: 7 one - Ns <
ae |

T lw. Assets

ate Te ince chal rELERRONE FFiCiAL TITLE DEAT Je sslUWGe ow Jig As’
| SST Aes 35385 | ata AUSUTAN: CSMZRAL

FORM 1 ] REPLACES “ME FORM 17 2 MAY @. Lo SES-3 YG. & GUN te eerNT corwring Oertce
; | ) 1 ocT 49 3 WHICH MAY BE USED.

—

--

i}'*%

3 YEAR INTE

RVALS

’

nd i Sorcery Ts a
~ hed LAS ~ ~ ‘ ) S Ake R 1 2 ¥ EARS,
Lire. = " ¢
- ID 3/4 i ae 520 20
ew otemtedle «&
ee
re illimster ne Lon > re uz st was
a8 - ' , . . ” — >
oo ho + —s F s'\ 4 - “

~—{o} -_-* . 4 a 'v ¥ , - 7 3 i ons J sd v = _ 5 i ed , ~ ’ _ ’

* . . » > * ‘ ) , ~ : - > . : _

—— «+ - - _ - . — - — + . >

> & i Vv xr . Id . i = i Y

a eS ll 3 Lith “3: > 3 rd 3 :

de dad de ; i a 2 ;

a. . . a o~ © > : _ ~ - - ~ 7 o > Ps ‘3 =

eet elon rs
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iow al , 6% Tae %i9 : > : . a £3 ;
> 9 rf : : re : :

‘ooo ~ ** =~ - —- - > _—
support: siief that Poss. i Jee rover tt tr .

DJ ect. ‘Ss found fr 4 iat no measuresents of veloci > : ance Tron
camera pool tion cen be na no my reliability, decause of fticiant reference
S ow . ~— <4 : Le >
information in the frames.

oak’ sas 7 i ' ~~ = pan +* + ® . . 7 5m © .
The trail itself apreuws wo be a combination of two erfects. » is , 3
i a 4 5 ° i el i n a i : hea “"y sO 1 « _-* is el - ie > auwele 2 > rake wae an oe ’
wTELLy — " : ise Ww iy ° weet ae YO Wk Cae ee Wee com 4 . >= . Ja ee ee me
+ - 5 ‘ 7 a+" ad . - “S... t. ..e, + . . .* _- > . -* > = . -
Unen a@opesr to be tne r2su- ; 2 Steep banking turn, ect to the caners 30s
3 RP “ae Sle ; tee Tavs: et 24 Gan P ~ ss , 2 *
followed nick rosvurn sarily level Pfliznt. 2 other trcil effect is of ;
; ~~ ° , ° o» lee -p : ~ee | : 2 | <4 ~ — = d . * -_-
luraticon, roader trsil ntily generated oy broad Lifting surfeces. As this
~% be 4 — amis ot : - : - . » >’ ieeal , n
Short tri. componens dis 23, a dark stre2k can 03 Seen cetraen it and the axhau
—4* or . » _ 2 S ws - — ot <o 2 > - a “«
trail, suggesting that the ting surface is inclined slichtly with respect to the
csmera 2ositione
_ - ~ >’ Pad 7 . > , = > - ; ,' : - ” ~ » ‘- _ .
Near tue end of the film, Soth the length end thicimess of the broad trail
; rs — +} Z £ ta & . : ‘ ia PP & mF ie |
component increase to rovsiiy twice wneir 3128 in tne @siier irses Of VAs Tin,
suggesting snat the photo m-rhic plane may have come closer to tre object. However,

. ind . 44 a .s . ie a 2 i. a an *
this assumption holds only i: the object has not sccelerated and is not senerating =
. Ap > ‘es ey : — - 7” “~~~ a +24
heavier tril in the later frames. The pilots! report indicctes some scceleration,

; 22 , - 7 he
maxing this asswaption somewhat doubtful.

+ YET lS Swine

bey éo ae \S “tam wt “tes JED
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DOWNGRADED AT 5 YEAR INTERVALS
UNCLASSIFIED Wan: asaivte AFTee 12 YEARS.

ay 4+ . of Camera ‘sec DOD DIR 6200.10

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‘e 7 > we ~ ) e. _ > 1 ~~ -s - 7 ~. 3 —s 2” — & — ~ -~ oo -
: om .
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+ > ad ss - ~ Ae . - 5 . — - 7 , a > as
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ao wl Pap ¢ an) 3 vei . —— 2 4 anos 4 Sw - , ~ ow @ 2 - - + P and A.
* | ,
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bm oe ‘s ] ome J bs eae ~ 3 . > wd r. 3 r i We y i 3 e
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= y $ 4
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Te aS " t3 $ —— - — te . wee oe ay : . a --—- a -
enw 33 , 4 a awen ‘te ; «+s 7 7T9 “at waletd Shewdta J — . - > Ps se | “-— “ + #e ur x= @

the Long part of the tre’ sans sharo, and is itself e double trail, as from a dual
exehust “prosulsion wilt of @ sorte § several sulnts alone Langth, faint dark
treces of clear sky cm oe: een betwaen the two trails, in addait 2 cla:

ivision in the trails neq 19 edze of the fleld of view. This double trail impression
3 W@Sxk, iowever, vec2use a grainy structure cf tha F 2% is enlar ante

Tae other component a trail is shorter and @iso broader, %s though from a
i2 -

fing or similar lifting suctace. This component dissipates rapidly, nd is separated
from the avchast component =; a nercentible black streak on ome sice. The short trail
sppears to oe centrally located with respect to the exhaust trail, r Shy the same
amount being visible both «scove and delow the exhaust tril.

Measurements on the successive photographs show perce tible motion of the obfect
sems to verify tsaat the sre:

sition evar from the fork in the exhaust trail. This s

‘3s indeed 2 trail, issuing “rom a rapicly moving o>5iect. 9 dimensions of the broa:
‘rsil, cannot be medeared vi ith any vracision, but there is =r iicstion. that tire

. .
el _ 7 ,
2hotographic olane was sie to asproach the object. [5 is jAmated the bre
* : : :

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- BY afi 4s 3 - ——-— oo oe > begs | - —_—“ = ~~ Ww Pra 23 ~ s + ,
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’ ria GLO ef: \u 7 3 3 seu ~ 2 ; S ~ | “* = VY ~ '% ‘ew me - ong - 3
- —_——- 4 % +4 ~ 7 £ . > ’ , L "
+ Be “teeag 2 - @! ty el 4 U.Dens i _ - . J. 41.3 ve —— wee ww 2% tae GA u 3 3 - toy ‘
LS tO ¢ 2te the rene, we Sooroximete time elavsed and t peed Oo
1.8 sLOvraochic plane. P22 18 error that had to »ve LO in 338 sure-=
a am tes a . . —. ° : "| ~ - - _- as rv. . — ’
pv #4 wee 3 C33a3 LOO 13: 2 ; ~ 2 >» ab me ¥ be . 3 stim vi te ni J " . Tt} * LePe | %
“ . =? - L _ >  - - od - * - = -- - . ~-* t..! 7
SOU pe Se 1 Gis unimowm fi > Dat Les, prevents a usatul estimate of t >t
38.8
- Snivi » « } 3 — - @
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>) Weare Lng tis , S3q ic 3 Filme 2 tec
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srint xm? my me & “es 43 — ~ we? +4 teed : . “49 wily | ) we w
~ > ‘, P T _ ’ . ~_ = + a
OL (Gj, Siu priat (5) at lof (a). It is roncluded 214% tne Ca-ere was sst fcr
7< on - , =r : ;
LS frames per sac, becaus ‘ould probably be too short a trigsosred mm at any
a +9 -, 7 5 { : dhe ‘on ‘ - . . - .
nigher Cy cling speed. it s£0 conc li ded wiet v t is Vsr run Was S2u i OF 4 SBC, je} oar
+»yes ae - 5 =e ~ + . 5 ~~ f. 7 - -« ad , 4
Lnat we cemera vas wijrzs : iu \C, EGBAruily a us % 26. a3 =; 3 >] Lv a | (Db) sVaom uly
>a ie! se 8 * . +2 ~ 4 desaric . : ; ;
Since no ors2k in gt position or altitude can be sean, and since txere is no over=
fran 1 - a} -_ « - ~ » :
exposed fr° Ieree Ove 1) @poarently carrisd to the end of the Alla.
STO
CONCLUS—
~~ ~~» , = ~ nS ow =  :
le The white streak puocographed is proozbly a vanor trail from a ravidly moving
; ' 5 n
: 4 17 4 2.7 ; “hs - ;
sSject of unimown velocity. he object itself is invisible in tha Lotosr aphse
— ‘ B"“ee St tw ° 2
2- The exhaust vapor trail, apoarently from a tin oreo:leion mL by i3 mors
,; * . . > ©
pronounced at true end of tia film than at the stert, as thouch the obtect were
-- . " *. P, _ - > | >
accelerating in response t) -ursuit. The con figurations in the trail acypear to be du
10 Maneuvers verformed by “12 object.
7
tm «4 3 + +* one + Se an FE OHe :
ge an additional vapor trail, thought to be dua to lifting surfaces, is also in
eo » As : G2 o wets ee " : .
vidence, 1% dissipates rapidly, “This additional vacor trail anceers top cantered
sSout tha exhaust trail.
Le in tne deris ams reor : te
é - ,. -
‘are > distence betresan ¢ 5533¢ 4 . ray’. :
re not ; ssracle angls,
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& es os CiT PR J ° 4 : ; /

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1

TOOK OFF 2323 HRS 3S ¥ I35 FOR &
EXTABLISH IF AC WAS i iHAT AREA
TIME 2525 HRS MST 3 MAR 55 END
@2/22282 APR JUPER iy

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TO ATIC FRA p' wrsuel DATS CA & NT ior 2
ine A>cabrignt/oa
262 42/850/2106
‘he negative gun camra film and the positive prints from the film strips
2 wers oxamined by parsonnel of this Laboratory who wers unable to identify the obd“ec
forming the traces shown in the photographs. ‘tt is suggested that two aircrart

rather than one may have formed the traces shown and tha +he distances may have

; = : Y« - boy . - -rp4 ’ -4 + ~ «4 : : .* . i "
been sufficiently great to prevent visual detection or Tasistsr on “Hd TismM SUPrip.

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T? tnclosure (awd & is withdraw
* not attacned), the classification
7 soOrrespondence will ce acwme

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: ew ¢ ceived ain *UUVUS nace : \ ee OO
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DOWNGRADED AT
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a > |

DECLASSIFIED AFTER 1>

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DOD DIR 5209.15

iu IA

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—r—___ 2 PACZASZOVE FOR COMMUNICATIONS CENTER ONLY

—

F2CM: (Originator) OATE-TIME GROUP a) on STRICTED
' my = oh ote 1 |
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ECEDEN 401 WON “FORMATION
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=| “TINT MESSAGEFORM. [=

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[a 3 Ser 53 unidentified seo trails wee wichted over luke 3 o7 an Pet pilote

Tiles sishting wan tramranitte! to the iiz Technical intelitcance “enter a9 an aiden
cited aerial object vepert. 4n cxtewive analysis bas Deon dome om che coun comers
film taken of the vapor ‘well along with stedies of wither conditions at the tine
of gightinge Leoal aiy bene were contacted in reference +o local air craffice. “o
informutdon hag bean ancoversd as yet to indicate aircraft in the area. Yor this

reagon ATIC ig contacting you and requesting that you detersine fro your records

‘2 any aircyvaft wore in the area on a westerly course and above 20,000! at approm«
nately 1325 SST on 3 Mar Si. DOWNGRADED AT 3 YRPapR

DECLASSIFIED AFTER 13 PRyals:
ta reply cite Project flue 3ook DOD DIR s wy 7 Sane

“ys 2S Deel LA teed Aor) POR MARCH 728 Sv Cem (ATS)
|

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5 ') -oes ; - 3 7EPLACES NME “ORM (72 1 MAT @& 13— pewrsnt £ wh wwerene eoet aa oFerce
~ wT 4D WHICH MaY BE LOED,

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Geet edabeidts a

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|. DATE - TIME GROUP 2 LOCaTion

10. CONCLUSION

:
| yf 0858

4. NUMBER OF OBJECTS Pa ~v

- oo

5. LENGTH OF OBSERVATION 1), 28° SUMMARY AND ANALYSIS

“

4. TYPE OF OBSERVATION ec 3

— te

8 PHOTOS

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% PMYSICAL EVIDENCE

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