A history of the real, top-secret examinations into UFO-related occurrences that were carried out by the United States Air Force throughout the 1950s and 1960s and were collectively referred to as "Project Blue Book."
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A history of the real, top-secret examinations into UFO-related occurrences that were carried out by the United States Air Force throughout the 1950s and 1960s and were collectively referred to as "Project Blue Book."
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