Project Blue Book Case File
Green River, UtahFebruary 1948
Summary
Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Green River, Utah in February 1948. The case file consists of a single scanned page 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 2.
Reported location
Green River, Utah
Date of incident
February 1948
State / country
UT / US
Page count
1 scanned page
USAF evaluation
unknown
Microfilm
T1206, Roll 2