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Case FileNARA NAID 28971620 · T1206 Roll 28

Project Blue Book Case File

Osan AFB, Korea, September 1957September 1957

Insufficient Data

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Osan AFB, Korea, September 1957 in September 1957. The full case file (4 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 28.

Reported location

Osan AFB, Korea, September 1957

Date of incident

September 1957

State / country

? / XX

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 28

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
EF PROJECT 10073 RECORD CARD
j 1. DATE : 2. LOCATION 12. CONCLUSIONS
: : O Wos Balloon
14 September 1957 Osan AFB, Korea padi Bellaon
| | 3. DATE-TIME GROUP 4 TYPE OF OBSERVATION ERY DR oN
4 fi O Woes Aircroft
] idealtEsucon oe neh re MX Ground- Visual D Ground-Rodar O Probably Aircraft
] GM / 0 Air Visual 0 Air-Intercept Rodar DO Possibly Aircroft
[3 PHOTOS : : §. SOURCE EE 0. . Was Astronomics
O Yes O Probably Astronomical
: NX No Military O Possibly Astronomical
| 7- LENGTH OF OBSERVATION |B. NUMBER OF OBJECTS | 9. COURSE |D Other
3 DO Insufficient Dato for Evaluotion
i A : O Unknown
40 minutes one SE to NW
.  |10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
y 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 &
1 cally. Japanese WX units with balloon
schedule SE of Osan.
A similar object reported from
: this base was conclusively identi-
i fied as a balloon,
f ATIC FORM 329 (REV 26 SEP 52) i
j /
; $ [
’ i
CR RB I eR RE RE a
/ 4

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Source: National Archives Catalog · NAID 28971620

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