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US Air Force Fact Sheet 95-03: UFOs and Project Blue Book (June 1995)

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United States. Air Force. A work of the US Government (US Air Force), in the public domain in the United States. This copy comes from Project Gutenberg's record, not from an Air Force page.

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RecordProject Blue BookBetween 1947 and 1969 the US Air Force logged 12,618 UFO reports. When it closed the files, 701 still carried the label unidentified. Even its own scientific consultant later mocked it as a society for explaining the uninvestigated. What did the Air Force conclude, and what do the unexplained cases actually mean?RecordThe Condon ReportThe Air Force paid the University of Colorado to study UFOs, and its 1968 conclusion was blunt: nothing in 21 years had added to scientific knowledge. It even advised teachers not to grade work based on UFO books. But a leaked memo from the study's own coordinator made critics doubt it. What did that memo say?

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