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

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE7228640
DATE OF SIGHTINGSeptember 1957
REPORTED LOCATIONOsan AFB Korea
FRAMES4

Machine transcription · mean legibility 90.1/100 · engines: paddle-gpu-200dpi

Transcribed Frames

FRAME 001 / 004paddle-gpu-200dpi
1. DATE 2 LOCATION 12. CONCLUSIONS
0 Was Balloon
14 September 1957 Osan AFB, Korea XProbably 2 Balloon
3. DATE-TIME GROUP 4 TYPE OF OBSERVATION 0 Possibly Balloon
Local XXGround-Visual Ground-Radar 0 Was Aircraft
00 Probably Aircraft
GMT 14/10102 AirVisual Air-Intercept Radar Possibly Aircraft
5. PHOTOS 6. SOURCE a Was Astronomical
Yes Probably Astronomical
XIXNo Military Possibly Astronomical
7. LENGTH OF.OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE Other_
000 Insufficient Data for luation
40 minutes Unknown
one SE to NW
T0. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
White, pea-sized object observed at Wind detector shows winds from
night near Osan AFB. Had brilliant SE at that time. Object moved
white light - moved and hovered erati- with winds. Numerous Korean &
cally. Japanese WX units with balloon
schedule SE of Osan.
A similar object reported from
this base was conclusively identi-
fied as a balloon.
ATIC FORM
: -
1
. .
T .
.
FRAME 002 / 004paddle-gpu-200dpi
South Korea
AIR INTELLIGENCE INFORMATION REPORT
SUBJECT
Unidentified Flying Object Report (UFOB)
AREA REPORTED ON FROM (Agrney)
Osan Air Base, South Korea Intelligence, 3llth Air Division
DATE OF REPORT DATE OF INFORMATION EVALUATION
16 September 1957 A-2
PREPARED BY (OfICT) SOURCE
JORNK. HRDITU USAR ppifcubie USAF Officers
REFERENCES (ComIrol TNmber,
AFR 200-2 & FEAF Supplement to AFR 20Q-2
SUMMARY: (Enter cimcie smmary y report. Give siymifieamce In foal one-senlence purayraph. List inclosures at lever left. Begin test of report on .IF Form 118-Part II.)
On l September
officers at Osan Air Base.
6
! 1o
NOV
8 1957 -
. .
L -
I
APPROVED:
Jelm K. Hhdina lopt
None INCLS.
ANDREW G. LINDSAY
Lt Colonel, USAF
Chief, Intalligence Division
DISTRIBUTION BY ORIGINATOR
CINCPAP, APO 953
COMDR, 5TH AF, APO 925
OMTD Armu nTOam
FRAME 003 / 004paddle-gpu-200dpi
UFD
c. 15 degrees and 347 degrees azimuth An
5 SE
d. erratic path rapidly in a westerly direction, hovered, stopped
alr movement for a little while, moved in either a northerly or southerly
direction, stopped and hovered, then continued in the westerly direction.
• oo
eo lost sight-objec -
41 f 40 minutes -Dite dutn -Düte dutn -
-
3• a. ground-visual
b. none none
c. c. n/a n/a
4. ao 1010g, 14 September 1957 10108
b. night
5. K . BASE 3706N/12705B
6. a. n/a
Colonel USAF, 58th Air Base Group
Jr, Major USAF, 58th Ain Base Group
EaseTroup
?. ao unlimited i and calm lisfe!
b. clear, visibility unlimited wends
6,000 feet; 11o degrees at 15 knots 12.Lone
10,000 feet, calm St
16,000 feet: calm
FRAME 004 / 004paddle-gpu-200dpi
b. Weather balloons are scheduled for release at 20oor but ther considerable
local deviation from the schedule.
Previous repr similar inciden OSI. OSI.
Report numbers and dates numbers and Ldetas are:
,
i
b. EBI June 1954.
K.dina
JOHN K. ARDINA
Captain, USAF
Intelligence Officer
Ea - telloin
are
;