PROJECT BLUE BOOK

changing to a bluish tint eppenred to be 1
moving on "churning" horizonal course. that they had never seen any similer
objects before.
2. It is belleved that ob,ject same
Aee lnt fr
anly
DATE OF Jan 52
W T IO._FEAFKire._—- SOUia".Two_D-29_Crews
MAR O. 0 POR1_ 30 Jan 52 ca MATE II To ATIC 1 Feb 52
.
THE OF 1LIRO_,230 al. COLO_ Fiery-like sun.
TiL
MAMDisk- i11 JSane as_B-22_ . ,
..Appeared to i be3..di Alriruo' _ Same as_ 2
Minute and
CoUs"._ Same as B-29 LetoTh of Tur 5 Minutes
No. i GoP__on TYPW OF ONFIMATTON Visual-Air
Pulled 'up to 29 from'8
YOUED IAliving_ and flew formation
Seen by lvo different revs :t two
Fie20None None difforent tines at swo lifferent locations
DOWNGRADED A
Smuary
DOD DIR 5E00.10

INFO JEDNP/CG ATIC MPAFT OHIO ..
I Following report is quoted in entirety from FhAF Bomber Commland Daily
Summary for 30 Januery l952 and covering operations during the night of 29 -
30 January. Atj23oc/1 one unidentified object vas CFC. left .
Wonse uffs.Cono.
scanner and tail gunner of aircraft No. 7332 at [CU-2020.] The dise shaped
object remained 8 The object
^ was
Simle S3E unchon
The unidentified object was observed shortly
The observers estimated the object to be approxinately three fect across
B when at its nearest point to the B-29. The object was observed for one minute
at which time the veather vas CAVU. The object spinning and
a color res sun.
oniginl 7

and rockets, crew members indicated their femiliarity vith such objects.
several bombat missions in Korea. They stated very emphatically that the
sichtings noted above bore no res resemblance vhatsoever to anything they had
previously exnerienced; T The possibility that such stories had been fabricated
is believed to be obviated by the fact that the crews involved, from different
times (1 hour). that these
techniqus and vorfare under test
by the enemy.
S
in reporting such ( Special objeets
on which to bas request:
UNCLASSIFIED

TS NEARES MSD TO HAVE
AN INT RAT LX FLAMLS
PARELL.
LEVEL,
JSADUALLY BECOML IT CAME
IN ON THE SAME
DOWNGRADED AT 8 YEAR D
DECLASSIFIED AFTER 12 R
DQD DIR 5200.10.
PAGE 2
OREAM
SIS RAYY
ORTING PREVIOUS ONSIDERED
YLIABLE. 161 NCAL UAS CAVU VITH DEG AT
99 K EITEO/ NEG/9/NEG
Detail of 13
UNCLASSIFIED
789-3348-/

( ( UNC
S
An FhaF Bomber Cord Yik
To AC MPAFB Ohio, For Chiof Air Tech Center DOD DIR 5200.10
Adr Ent AvB Golo For OG ADF
Info CS USAF Wash DO, For Director of Intel 1
,
Subj is roport on info on unidlontified flying dbjects: (1) obsorvod 1 globe shaped
objoct with a slight tear drop olfect noted on laver side, B Estimatod sise to be 3
feat acrors when at its nearest point to B-29. The sise vos not definitoly ostablished
like flamos or fiery gaoes Mien it was at its nearost point to B-lg. The object was
first obrerved parallel on course at 8 o'clock lever, whore it seemed to be about the
sise of a sa
the sane level or the P-29 anl remained in the same relative position to the D-29 for
approctinatoly I rin and then recedod on the sane path, fading alay in the distance.
(2) Bighted le lert suner
sirborne on the B-29 in the crew positions of left gumor and tail gumer. (ject
vns cbsorved st W 5469 and level vith the B-22. (5) The chervere are raterens of
ly fadiliar with Flal, flares and rockets. Tho obrervers statod vary exphatically
in B07 5l7, This
report care fror squadron 20 et different
- times.
Detail, ot 13292 signton1 .
UNCLASSIFIED

- B
(G) byd cbject eo
(6) whas y
tos ia pgtioatad w te bwo (a) nll. Mota
to 0-3117-C. DECLASSIFIED AFTER 12
2 YEARS.
COC? DOD DIR 5200.10
APION: P52-2999-4
UNCL
PAGE
DRAFTER'S NAME (und aigmatUre, when requird) RELEASING OFFICOR
B. L. 10odall/3b KIOmErH 2. FTNCH
TELL HONE Chr,
%the 55151 Asst 'Adiutar Coneral
REPLACES NME FORM I7A 1 MAY 43 16-55923-3 4 PRLNTING CEFICE
DD 10 173 WHICH MAY BE USED.
1

INTENDED DEPTH KNESS.
ODJS NOT E O1 ICULAR
TO PLANE

Tondquartors tAv MULTIFLE ADDRESS CHYPNOPROCARSION
Cl ves NO
REFERS YO MESOAGE.
IDENTIPIOMTION C
1N:FO: UNCLASSIEIED 3109567
,Aah Aroth) Dbjoct: Cocnts on Pil Cbsorvatlon ad Calionililod Olgota,
2
- Blgaod and cat Sharam on 1 J5, (olouig pooalbllillos consberod (a) Mhout
Clack Dan Oron dlroraft oagiw rnleg aloh, Conatarod coubad beaeo no
tnown Dowlot aberatt havr whmnst Dhadk arranguptt Ghab woli groutee thl Dluslon
cob, Gonsldered douvts 15 3s
-
and Che soiadng : or
152-3047-1
DECLASSIFIED AFTER 12 YEARS. UNCCASSIFIED PAGES
DOD-DIR 5200.10

(lootte) IDENTIFICATION CLASSIFICATION
INFO: UNCLASSED
soCbotiog Dlodadlon Axn oan otm rorco, L
objoot dlgiaed as hwing malnaled a jootilan pardlad to tin digiting eiglaw
Sov cone tiv, could onn do olinlnate tals pooctiallty. B io Chredan ctasldored - .
Litlod meotlooed axove. -
coo oes tolh Coty Gtl
daoan da oly 7 eylaked, al Gnm
-
VOWNGRADED AT 8 Y 252-304H2
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10

C'n bober, A wrlatlan of thin mapan diab iay lae boon Latonded dor oo
-
S
moldam tian trallel, nigis bto Alladaatod oer sodbot llgibh, cal ngia ror a tlmo,
parallal tip coure of en clrorart abbsdkedy for
aSair, c C167.
-
Goneal od, A2 tor
DOWNGRADED AT 3 YEAR INTERVALS,
DECLASSIFIED AFTER 12 YNARS
DOD DIR 5200.10
UNCLA EL SECURIPY CLASSIFICATION D oF 3 PAgES
PAGE
DRAITER'S NAME (and signetHTe, uhen required) RELEASTING OFFICER'S SIGNATURE
Lt dol lay l. Taylor/lm FaR L, EAll,
SYMDOL AT mech
DD,0049173 WHICH MAY BE USED. REPLACES NME FORM MAY 49 10-65023-3
-

identical object near Sunchon. This object was observed for one minute.
The observers were the left and tail gunners. In this instance, the B-29
was at 22,250 ft.
The sources . War II veterans end veterans
of previous conbat nissions in Korea. The crews were squadrons
and vere interrogated separately.
I1.
observed
of this phenomena ves never deternined but bomber crews reported large fiery
balls, simila sun, passine through or near their fcrmations. There
is no docunented evidence or data available on this phenomena, and all the
- . information that has been obtained is verbal from World crew-
men, consequently, ectual
. AT 3 YEAR INTERVALS; +
DOWNGRADED
DOD DIR 5200.10
- . T52-5836
UNCLASSIFIED

free-drop missiles). Therefore, it is requested that the shape and color of the
reported flame be poss object being:
a. A conventional jet engine.
b. A conventional jet engine
c. A ranjet engine.
d. A pulse jet engine.
e. A rocket engine.
.
Ed Qplt -
EDWARD J. RUPPELT, Ist Lt, USAF
Acronautical
TO ATIAA-20 FROM DATE ENT NO. 2
Mr/ Strarges/eeh
52275/Bldg263/P2AD
along a sec of the trailing edge of the fuzzy edged,
internal churning of flames and gages
the B.29 crows in Korea.
VEAR INTERVALS;
DECLASSIFIED AFTER 12 YEARS, PETER A. STRANGES
DOD DIR 5200.19 - Reaction Power PlAnts
Group
Propulsion Branch
UNCC SIFIEC
WF-L-31 OCT 49 4,652M
AMC Form No. 5 (Rev 29 Jul 47) be vsed until stocks on hand are exhausted. This forn replaces AMC Forin No. 10-3, which will

phenomena nor steyina sbjeots,
sais iaoiint
a o1 Taaere L1.gnts
RVALA:
UNCLAS DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10

1 AFOINV AFOI-A AFOIS

COORDINATICH
1
CAPT R. C 55909
UNCLAS
1
-
.
.

churning
flames or fi iory gases when at nearest point to B-29. ( (The orig- III
inal report stated that the object wat disk-shaped and about
three feet in diamoten). One B-29 obset the object for five
minutos while the second B-29 at a difi erent looation and 24
minutes later observed a similar object one minuto. Although
the size was estimated at three feet in both cases, the distance
of the object (Soe next page)
-
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10
29
UNCLAS IED

to arrive at only tontati may Two
possible evaluaticns follows
(1) Observation of the oxhaust from an La-9 or La-ll Soviet fighter
aireraft. The exhaust stacks on both these single-engine
fighte s are arrangod in a cluster on ench side of the fuselage,
and it is belioved that the exhaust cmanating from this installa-
for a roport /
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10
FIED (Col
UNCLAS

seem eclude
any gre capability.
.
.
-
.

TO RUPPELT FROM FOURNET Lt.
DO YOU HAVE FEAF CABLES BCX 5470 C
DI DATED 7 FEB AND BCX 5447 DI DATED 6
FEB WITH YOU NOW? IF SO, PLEASE ADVISE A+IAA
WHETHER THE ADDITIONAL INFO CONTAINED THESE TWO
END CSAF ITEM 6 (xp9e) UNCLASSACTION
4.
CSAF ITEM 2 TT 42
8 FEB 52
EC ATIAA CSAP ITEM 2
FROM FOURNET TO RUPPELT UNCLAS UNCLA EC
E REFERENCE FEAF CABLES BCX 5470 .
DIy-DATED-7--FEB-52--AND-BCX-5447--DIy
DATED 6 FEB 52. IF YOU HAVE COPIES OF BOTH
THESE CABLES, REQUEST YOUR COMMENTS REGARDING
UNUSUAL SIMILARITY OF SIGHTINGS BY THESE
TWO CRENS FROM DIFFERENT SQUADRONS AND ABOUT ATIAA
25 MINUTES APART, BELIEVE WILL BE QUERIED
BY GRIG GEN GARLAND, ETC, ON THIS SUBJECT SO
WOULD APPRECIATE YOUR EVALUATION IMMENIATELY.
THIS IS ADDITIONAL TO YOUR- PI DOWNG YEAR INTERVALS; YEARS.
IC 234 OF 4 FEB. DECLASSIFIED AFTER 12 DOD DLR 5200.19
END CSAF SIFIED CTION

UNCLAS SIFIED 77-42
TO RUPPELT FROM FOURNET 8 F t L
ECX 5470 INDICATES ACTION TO YOU VITH INFO -
COPY TO THIS HO, SO YOU WILL UNDOUDTEDLY C
RECEIVE IT LATER TODAY.  THE FACT THAT IT IS
ALMOST A DIRECT QUOTATION OF BCX 5447 LA. Ritbt
AND YET T
TTT

- -
-
END AM
UNCLASSIFIED
4
.
.
.
t . S
-

.
+
I
..
4
.
.
T52-5836 UNCLASSIFIED
1
i

II. STATUS OF THE IN/ESTIGATION
8 More details been tea.
.
. S
. 4 .
.
.
.
.
.
(
I
C
.
.
.
A
. .
.
.
DOWNGR ED AT S YLK INTIRVAIS:
DOD DIR 5200.10
. 1
UNCLASSIFIED 9
.
. CONRIDENTE
.

.
STH 13%9
ths is ih rpient st.
and
5
-
a
Iateral
+
8 II
I - .
P 1
1
1
.
K.ft 8
.
4
1
J .:
.
+ : -
. - T
.
.
4
A .
.
.
4 *
.
-
.
. DOWNGR
DED AT S YTAR
VALS;
Fr - DECLASSIFIED AFTER 12 ZEARS
DOD DIR 5200.1Q
4 .
.
.
D/, ho
1 -+ i
,N17. .
aId
7 A 1. HFED UN OFTH
1
12
.
4
1
8
.

1 II -
caiinl -
T 5
I lavls
. ,.
-
+
3 .
1 () !
2!
7
E me
8
77 - a
.
.
-
;
(x) Crrsl. 1* '1 L 1 ,
- .
T
-
- + G7 .
N4 L. 2*;
:I
. "1. :
.
- i5. -tlore -
+
; .
1
I
.
+
-
.
DOWNGRADED AT 3 YEAR INTERVALS;
YEARS. R.K.O
DECLASSIFIED AFTER 12
DOD DLR 5200.10
-
04% rSACIEMANFYPCYAEATOUSC-
2POK N N LOAW .SY OT DPAISAAPOALNILLUPEDYPERIONOTHEUECTCR
A
.
1
H

3. The two observere E-29 Tret Gunner
and Tail Gunner. Object was observe 12555E B-29.
Prepa
s/ MARIO PEREZ
2nd Lt., USAF
Assistant Inte cer
Appro
s/ ROBERT K. PATCH
1st Lt., USAF
icur
INCLS.
--
DOWNGRADED AT 3 YEAR INTERVALSI
DECLASSIFIED AFTER 12 YEARS
DOD DIR 5200.19
INSTRSITION BY ORIGINATOR
D/I, USAF (1 cy) D/I FEAF (1 cy)
FEAP Bomber GHQ G-2(1cy)
COMNAVFE (1 cy)
INIELLIGUNCE USAF. SUFIED
UNCI
(CLADICATION) 1-000 A

SUMMARY FC N 52. AND COVERING OPRS DURING NIGHT OF 29-30
JA PD QUOTE (2300/I ONE UNIDENTIFIED OB. BSRD BY THE
CFC CMA LEFT SCANNER AND TAIL GUNNER OF 1332
CU-4020 P1 THE DISC SHAPED OB. PAREN SIZE OBSRS FETET :
ACROSS PAREN WAS FIRST OBSRD CMA PARALLEL I 8 OCLOCK
LEVEL CMA DT B-2s UNKNOWN DTHTS REMAINED W/THE B-29 FOR
APRX 5 MINUNTES PD THE OBJ APPEARED AT OCLOCK LEVEL GOING AWAY
FR B-29 22500 HEADING 2 DEGREES CMA 148K
DOWNGRADED AT 3 YEAR
INTE"
DECLASSIFIED AFTER 12 YEA:
DOD DIR 5200.10
EEPTD ABOVE SPECIAI ELIM SSIBLE KNOWN
EALTERNATIVES CLN CONCERNING THE POSSIBLTTT THIS HAVE
BEEN CXIGLASS REFLECTION 11
CREW MEMBERS SPOTTED OBJ DIEFERENT POSTTIONS. TIME
SMCLN RE FLAK FLARES ROCKETS CMA CREW MEMBERS INDICATED
THEIR THOROUGH IN CASES BEING
VETERANS WU COMBAT MA AS MSN: KOREA PAREN AND
STATED VERY EMPHATICALLY SIGHTINGS NOTEI NO
RESEMBLANCE WHATSOEVER TO ANYTHING THEY HAD PREVIOUSLY PERIENCED
FD. THE POSSIBLITY 'HAT SUCH STORIES COULD HAVE BEEN FAERICATED
UNC

SUCH OBSERVATIONS REPT DBJS W/B
SUBMITTED PD UNQUOTE PD VIEW OF UTTER LACK SIMILAR OBSERVATIONS IN
PAST AND NO FIRM INDICATIONS ON WHICH JAT YOUR
COMMENTS RE ABOVE
39°03'N DECLASSIFIED AFTER 12 YEARS.
obgi
ONC DOD DIR 5200.10
127E
- CTY 13Y
P-S2 1/2
.
. , .
.
( 1
.