Declassified UFOs Pt. 1: Project Sign

Unexplained Mysteries - Ein Podcast von Spotify Studios

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.  Learn more about your ad choices. Visit podcastchoices.com/adchoices

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