Latest "Advanced Aerospace Threat Identification Program" stories
Encounters with unidentified aircraft by pilots have once again prompted officials from the Department of Defense to take action.
By Jon Simkins
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The service began Project Blue Book in 1952 as a systematic study of unidentified flying object sightings. The project was charged with scientifically analyzing UFO data to determine whether UFOs were a national security threat.
By Kyle Rempfer