24 October 1968
(U.S. Air Force, Washington, D.C.)
The document pertains to the 24 October 1968 Minot Air Force Base (B-52) UFO incident.
“Memo for the Record: 1. Memo, 24 Oct. 1968, Werlich to Blue Book”:
This U.S. Air Force photo shows the B-52 radar screen on which a blip of the UFO appears (abovetopsecret.com photo)
Aerial view of Minot Air Force Base, North Dakota