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Case FileNARA NAID 28941623 · T1206 Roll 9

Project Blue Book Case File

Selfridge AFB, MichiganApril 1952

Unidentified

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Selfridge AFB, Michigan in April 1952. The full case file (5 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 9.

Reported location

Selfridge AFB, Michigan

Date of incident

April 1952

State / country

MI / US

Page count

5 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 9

Original case file scans

Original case file · scanned by NARAPage 1 of 5
Transcribed text
4 : fla PROJECT 10073 RECORD CARD ¥
Inoue. ( 2. LOCATION A (12. CONCLUSIONS il
i
| 27 Apr 52 Selfridge AFB, Michigan 0 Wos Balloon
: amen sry IT ; : @] Probably Bolloon
| 3. DATE-TIME GROUP "A TYPE OF GBSERVATION Co cE. CRON T—
‘ % [1 Was Aircra
| Local pf. 2000 PST | # Ground-Visual 0 Ground-Rader : ov Se sap oA
i cmt. {00100 GR a 0 Air-Visval 0 Air-Intercopt Radar 10 Possibly Aircraft
| 5. PHOTOS § 6. SOURCE 0D Wos Astronomical
3 0 Yes ; CL Probebly Astronomice!liLT HON
; xX No AF Captain 0 Possibly Astionomical
7. LENGTH OF OBSERVATION |B. NUMDER OF OBJECTS | 9. COURSE ~~ 0 Other... ooo
y OD Insufficient Data for Evoluation
3- seconds 1 0 Unknown
10. BRIEF SUMMARY OF SIGHTING ea.
Kelly green color. Ball shape. :
: FEA ie
: ATIC FORM 329 (REV 26 SEP 52)
/ 5

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Source: National Archives Catalog · NAID 28941623

Connected across the archive

Installations

Selfridge Air Force Base

Programs and code names

Project Blue Book

Places

MichiganSelfridge AFBSelfridge AFB, MI

Agencies

United States Air Force

Dates

19521952-04-01

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