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Declassified UFOs Pt. 1: Project Sign - Unexplained Mysteries ...

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för 9 timmar sedan — Declassified UFOs Pt. 1: Project Sign. av Unexplained Mysteries | Publicerades 2021-01-12. Spela upp. In 1947, a team of Air Force officials and scientific 

"Declassified UFOs Pt. 1: Project Sign

av Unexplained Mysteries | Publicerades 2021-01-12

In 1947, a team of Air Force officials and scientific experts began studying unidentified flying objects spotted in American skies. Their investigations under Project Sign marked the beginning of a decades-long battle for objectivity and transparency in UFO research."

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