3 févr. 1966 - 2/3/66 Carl Sagan "USAF convened an ad hoc committee to review Project Blue Book. Chaired by Brian O’Brien, it included Carl Sagan... met for one day, received a briefing from Lt Col Hector Quintanilla, reviewed the Robertson Panel report of 1953, and studied a few UFO reports... endorsed Blue Book, despite its knowledge that most of the 10,000+ sightings had been investigated by a ghost of a staff... concluded that UFOs did not represent extraterrestrial technology... result was the Condon Committee"

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