U.S. Government UFO Document: “U.S. AIR FORCE PROJECT BLUE BOOK CASES OFFICIALLY LISTED AS ‘UNKNOWN’ ”

(U.S. Air Force, Washington, D.C.)

Source: NICAP.org

“The list provides the dates, locations, and Blue Book case numbers for the incidents,” NICAP.org informs:

http://www.nicap.org/bluebook/bluelist.htm

The list contains 564 UFO cases (many cases involve U.S. Air Force bases) (date range: 24 June 1947-17 January 1969).

(ufocasebook.com image)