Whatever happened to Project Blue Book?

For ufologists and skeptics alike, Project Blue Book had the potential to be a gold mine. Learn how the US Air Force launched an official UFO investigation that spanned decades -- and why some people suspect a conspiracy

For ufologists and skeptics alike, Project Blue Book had the potential to be a gold mine. Learn how the US Air Force launched an official UFO investigation that spanned decades -- and why some people suspect a conspiracy

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