Project Blue Book Case File
Chicago, IllinoisJune 1957
Summary
Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Chicago, Illinois in June 1957. The full case file (2 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
Chicago, Illinois
Date of incident
June 1957
State / country
IL / US
Page count
2 scanned pages
USAF evaluation
unknown
Microfilm
T1206, Roll 28