Project Blue Book Case File
Colorado Springs, ColoradoSeptember 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 Colorado Springs, Colorado in September 1957. The full case file (3 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 29.
Reported location
Colorado Springs, Colorado
Date of incident
September 1957
State / country
CO / US
Page count
3 scanned pages
USAF evaluation
unidentified
Microfilm
T1206, Roll 29