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The United States Air Force shuts down Project Blue Book after concluding that m
Featured Event 1969 Event

December 17

Project Blue Book Closes: USAF Ends UFO Investigation

The United States Air Force shuts down Project Blue Book after concluding that most UFO sightings stem from mass hysteria, hoaxes, or simple misidentifications of ordinary objects. This definitive dismissal ends decades of official speculation and forces the public to confront the mundane explanations behind celestial anomalies rather than extraterrestrial theories.

December 17, 1969

57 years ago

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