DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE6384252
DATE OF SIGHTINGMarch 1953
REPORTED LOCATIONOld Baldyand Pork Chop Hill Korea
FRAMES8

Machine transcription · mean legibility 71.4/100 · engines: tesseract-200dpi

Transcribed Frames

FRAME 001 / 008tesseract-200dpi
DATE - TIME GROUP 2097, | % LOCATION

20 ‘arch 53 SRR Old ™alcy ¢&

NUMBER OF OBJECTS

One

LENGTH OF OBSERVATION /[11. BRIEF SUMMARY AND ANALYSIS

~~ ‘* ry ee
= a : ;

’ -
Not Reva ted

TYPE OF OBSERVATION

oe iy

lo
c—
e-

Cyournd<ia.

COURSE

d

LLY

{SU SeIPNis soodsory

Not Boported

8. PHOTOS

°s7
*sh3

IOISSit

O Yes

9. PHYSICAL EVIDENCE

pamoqury ‘gay meron

jOUDIG SOA foIY

FTD sep 63 0-329 (TDE) previous editions of this form may be used,
FRAME 002 / 008tesseract-200dpi
AIR 093 te
RR JEDWP JEDEN 222 /~
DE JEPHQ 179C -

FM HQ USAF WASHDC
TO JEDWP/CGAMC WRIGHT PATTERSON AFB OHIO
INFO JEDEN/CGADC ENT AFB COLO
i. FROM AFOIN 54565 CGAMC PASS TO CG ATIC
ACTION ON MESSAGE QUOTED BELOW FROM HQ_ADC ENT AFB COLO IS TRANSFERRED
TO ATIC CMA THE ORGANIZATION HAVING PRIMARY RES PONS ITY FOR UFO
PROGRAMe NO ADDITIONAL INFO AVAILABLE THIS HQe MESSAGE READS

MA NUMBER COC 86 DTG 202537. SITES Oh arctan SERVICE MSG ~
AP 182 STH 15 MIN SUMMARY CMA TENTH [Tc SLUGGED /DISC/

STATES THAT LUMINOUS OBJECTS TRAVELING AT SPEEDS FASTER THAN SOUND

HAVE BEEN OBSERVED AND TRACKED ON RADAR WITHIN PAST FEW DAYS IN

PORK CHOP AND OLD BALDY HILLS AREA WESTERN KOREAN FRONT.

/STH 15 MIN SUMMARY SIGNED DY 1928 PES 19/- IN VIEW OF RADSR Abba
SIGHTING OF POSSIBLY SIMILAR SUPERSONIC OBJECTS LAKE SUPERIOR, | ei.

AREA 29/9135 TO 23/02002 APR FURTHER INFO OR EVALUATION OF THIS 2”.
AP REP IS REQUESTED a

Sefer Fp VSR

;

— — — —E = -
FRAME 003 / 008tesseract-200dpi
~

gage : i ‘ PAT VE

; , / ae
AIR 2h WHOM ATIC TTA . (BiOta
OPOP AFK AFM 222 pyOL 1 ol
DE JEPHQ s5C va
VS a

r Ay Arivices
FM HQ USAF WASH DC oe nf Se RT REOULLED. SEE CYPT
TO JEDEN/ADC ENT AFB COLO r tos
JEDWP/ATIC3 WRIGHT PATTERSON AFB 0: i aetedan |
/ FROM3 AFOIN=2A2 34203 ,
REF, ADC ENT AFB, MAG, DTG 2499555Z APR 556 REGARDING AP RADIO. .
NEWS SERVICE MSG AP £82, 5 TH 15 MIN SUMMARY, NOT HELD THIS HQ. a
ONLY INFO THIS HQ CONCERNS AP REPORT BY UNIDENTIFIED OFFICER OF FRONT ,
LINE DIVISION "THAT OTHER LUMINOUS OBJECTS TRAVELING AT SUPER]
SONIC SPEEDS OF €99 MPH HAD BEEN OBSERVED IN THE BALDY=PORKCHOP
5 AREA AND TRACKED GN RADAR ALSO WITHIN THE LAST FEW DAYS."
IN VIEW OF GREAT SPEED DIFFERENTIAL BETWEEN KOREAN REPORT AND
THE 1609 MPH LAKE SUPERIOR REPORT, ESTIMATES DUTY OFFICER FEELS

DISSIMILAR OBJECTS ARE INVOLVED, FURTHER EVALUATION. WILL FOLLOW
WHEN INFO BECOMES AVAILABLE, “%

APR JEPHQ AR

|
, ~ DOWNGRADED AT 3 YRAR INTERVALS;
F DECLASSIFIED AFTER 12 YBARS.
DOD DIR 5200.10

shaw ©

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-_— -
FRAME 004 / 008tesseract-200dpi
56 Ai .

“eae REQUEST FOR AIR TECHN SPS ePeamoMERe PPP ONy ATION ete |
‘ * gRRU: ‘“iglee : Mess DATE: |
THRU: UNCLASSIFIED oat 29 April 1953
TO: ATIRC ai

SUBJECT: (Conf) High Speed Korean Radar Tracks
1. PERTINENT BACKGROUND INFORMATION: (igus isbsiales

Information from Hq USAF to Project Hlue Book (unidentified flying objects)
states that "A.P. radio news service summary of 5 April 53 indicates that lwainous
objects traveling at supersonic speeds have bsen observed and tracked on radar within
the past few days in Pork Chop and Old Ualdy Ilills area, “estern Korean Fron’".

2 SPECIFIC REQUEST: (panama cape seek,

1. It is reoussted that the above be verified and, if true, the following in-
formation be obtained:

@ the specific dates and times of both visual aad electronic observations
to determine if the objects seen ami tracked were in reality one and the sare,

be. Estimated speeds by radar, by visual observation, the heading and alti-

tude ostimates, how long observed in both cases, and the size of blips on the radar
Screen.

Ce. The location (coordinates) of the visual and electronic observations.

d. A complete cescription of the objeots' appearance investigating the
ssibility that such "luminous" objects could not be high speed jet aircraft such

po
a> Sag oF HOS.

Be. Projeet 10073
b. This is a routine request, but information should be obtained as soon |

—— DOWNGRADED AT 3 YEAR INTERVALS; |
DECLASSIFIED AFTER 12 YEARS. |
DOD DIR 5200.10 |
ORIGINATED PY: APPROVED: APPROVED: |
Lt Rede Clason H.C. JOHNSTON, Lt Col, USAP a
COORDINATED WITH: Chier, Electronics Branch © |
ATIAA _
wo |
ATIAR Chief, ATIAA __ Chief, ANA ‘2
oO A os. se
UNCLASSIFIED Auth: OI 200-10.16
ATIC Form No. 317 (19 Nov 51) If additional space is required, continue on

(Formerly MCI Form No. 17)

e =
A ny
FRAME 005 / 008POOR LEGIBILITY — PENDING RE-EXAMINATION
== | JQINT MESSAGEFORA, |

UNCLASSIFIED

SPACE ABOVE FOR COMMUNICATIONS CENTER ONLY
FROM: (Originator)

DATE-TIME GROUP iT Ve Glad 5 gad!

;
yy
a a ¥ _

Bs
PRECEDENCE
FOR:

INFORMATION

> AST

TO:
es 7 | ine ea BOOK MESSAGE ORIGINAL MESSAGE
O/T WO USA? 7A8N DC C) 0
CRYPTOPRECAUTION
ia MULTIPLE ADDRESS C “. e 7
rai REFERS TO MESSAGE: :

. IDENTIFICATION CLASSIFICATION

INFO: a a: or

e eo ww” “Te,

pipes ASOT mA TIAS

Reuwrasg ASL 54555 Trojeet Rlue look has ne laforsabion on olisseer she wud Sent

ATIARR5

oupersende sightings nade by radar over Korea of She Lake Superior uisgntines.
in reply cite irojecs Line books

t. HARDLMA TION a

i

DOWNGRADED AT 3 YRAR INTE

. 4 f R ( .

DECLASSIFIED AFTER ‘i Yoana _
DOD DIR 5200.19

“a. ? _
0 Same 5D me

PAGE L oF z PAGES

DRAFTER’S NAME (and signature, when required)

L/Le % ve Uason/joe
perry me Y= TELEPHONE HAS | orricartme |. GER Cy QUA, Vator, vsar
iy sdpaten’ ene

D D FORM | 7 3 REPLACES NZ FORM 173, | MAY 4& 16——-Ster-s FF ou. 8. GovimNMENT Pointing orsicE
1 OCT 49 WHICH MAY BE USZD,

——— —_— oe
FRAME 006 / 008tesseract-200dpi
CLASSIFICATION ’

| - UNCTASSIFIED ‘ S panne le WA |

IW REPLY REFER TC C21979 _—=s«|: SPECIFIC REQUEST FOR INFORMATION -

CONTROL HO.

SUBJECT: ee) Rae EVRY HLeoe ; 1 KOre ‘is rac it! ee

TO: Commanding General FROM:
var East Air Forces Headquarters USAF
APO 925 c/o Post Master Directorate of Intelligence |
San Francisco, California Washington 25, D. S.

——! URGENT = ReQuEsTED oy ra ‘OTHERWISE CANNOT bE USED
GREAT = bvesinen sy = OR AS SOON THEREAFTER AS PossioLe
ROUTINE = beSsiREeD AS EARLY AS PRACTICABLE f

DEGREE OR NEED
FOR THE FOLLOWING
SPECIFIC INFORMATION

—_—_

1. Request the intelligence material described below Cal970 this Headquarters, ATTN: Director

of Intelligence, bearing the Control Number pee 9 a (UNCLASSIFISD

2. On any documents requested, this office has indicated whether loan of, retention copies are

desired by using one of the following remarks: ("Loan"); ("Retention if possible, otherwise loan");
ASSIFIED J xz

or ("Retention only"). UNCL

3. The Asp Pe radio news service sumary of 5 April 53 indicated that luminous
objects traveling at supersonic speeds had been observed and tracked on radar in
Pork Chop and Old Baldy Hills area, Western Korean Front, (COM IDMITIAL)

)h, It is requested that the above be verified and if true, the following information
obtaineds (UNCLASSIFIED)

ae The specific dates and times of both visual «nd electronic observations to |
determine if the objects seen and tracked were in reality one and the sane,

+ gee tee I,

be For both radar and visual observations, obtain estimated speeds, heading and
altitude estimates, how long observed in both cases, and the size of blips on

the radar screen, ( <jppiiipeiepigbes

Cc. The location (coordinates) of the visual and electronic observations,
(UNCLASSIFIED) .

de A complete description of the objects! appearance (investigating the possibili
that such "luminous" objects could not be high speed jet aircraft such as the

F-66 or NIC~15) »\ARRAEEIES

DOWNGRADED AT 3 YBAR INTERVALS;

REMARKS (Including guidance, if eppropriate) DECLASSUTED eed a YEARS.
pO °

aia UNCLASSIFIED

a

fequesreo/eamtie, Hannanan/jww =| "NCE" “peoue” | "Sha7s

mcrae 4 heed te ee

FOR COLLECTION USE
COORDINATED WITH

-——_———

CHECKED FOR DUPLICATION

Chief, Collection Control #r2-
= abe cept Than mete, : .

ve mt > a

2 sap &
Te.

Air Technical lateltivence Cer.

—_———

SFHQ FORM 9_ & :
p hte 0-228 previous epirions oF ®-7361. aF
FRAME 007 / 008tesseract-200dpi
. 7

DEPARTMENT OF THE AIR FORCE | |
STAFF MESSAGE DIVISION

(  GInPEDEeTaAy
SNCURITY TNPORMAT TON
OPERATIONAL EMnsotars

'

YROMs (COG ADC ENP APR cOLO

rARAPHRASES NOT REQUIRED,  wporiry
CRIPROCENTSR BEFORZ OSCLAssternyia |

TO : COG USAP PASS To APROX TOPIMATSS DUTY OFP
COC. RAD?
Coc cADP
SOC WADP

COG 56 20 Aor 53

LR

op

Our. AP Radio Nows Service Msg Ap 182 Sth 15 min summary,
venta Xtem, slugged (Disc) stasea that luminous objects traveling
Of speeds Laster than sound have hoan coservead and tracked on
vactar within past fom days in Pork Chop ahd O1a Zaldy Hills area =
vestern Korean Front. {5th 15 Min Summary sizned Dv 1028 PES 19}.\\
tn view of radar sightings of possioly similar susersonie opjecta—y
W233 Superlor ares 20/0135 to 20/0200%' fpr further info o2 avaluas/
Glon of this AP veport ig weques sed LY <<"

ACTIONs O77 .
rae

(AiG 5 809

te tan 31 O-309F

PREVIOUS EDITIONS OF THIS FORM MAY BE USED.

COPY No.

& 16—e9727-1 U. S. GOVERNMENT PRINTING OFFICE : 1951—-0-977444
FRAME 008 / 008tesseract-200dpi
22 June 1953

heference SRI No. ATIC-4979, Subject: High Speed Radar Tracks.

Report received from D/I, if AF indicates that an‘ investigation at. 7th
Infantry Division G-2, 7th Artillery 8-2, and the 502nd Tactical Control

Group, 5th Air Force fail to revedl any record of luminous objects traveling

. @t supersonic speeds the intract on radar and the "Pork Chop” or 01d Baldy
Hill area.