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Author Archives: Greg Black

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PROJECT BLUE BOOK: A Retrospective

In 1969, the U.S. Air Force closed down their “Project Blue Book” investigation of “Unidentified Flying Objects” by claiming their evaluations of more than 12,000 sightings had not yielded a single instance where a UFO had ever posed a threat to national security, nor demonstrated technology “beyond the range of present day scientific knowledge”, nor been categorized as extraterrestrial.

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