Gerald K. Haines (Declassification)
CIA historian published admission that over half of UFO reports from late 1950s-1960s were classified U-2/SR-71 flights. Air Force Blue Book investigators deliberately attributed sightings to natural phenomena to protect programs.
[ PRIMARY CITATION // CIA READING ROOM · CTD-0344 ]
WITNESSES & UNITS
Gerald K. HainesSENSORS & EVIDENCE
Declassified archival release
CIA Studies in Intelligence journal