U.S. Air Force (Investigation)
Project Grudge issued its final report concluding UFOs posed no threat to national security, attributing reports to misidentification, mass hysteria, hoaxes, and psychopathological individuals.
[ PRIMARY CITATION // INTERNET ARCHIVE · CTD-0054 ]
WITNESSES & UNITS
U.S. Air ForceSENSORS & EVIDENCE
Institutional program record
Wright-Patterson AFB, Dayton, Ohio