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Air Force investigations: Sign to Blue Book

Cases the Air Force's own projects investigated, from Project Sign to Blue Book, and what they could not explain.

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Other governments kept files too

The US is not the only state that chased these objects with jets. Belgium scrambled F-16s during the triangle wave and got radar locks on targets that out-accelerated them. Spain sent a Mirage after the lights that diverted flight JK-297 into Manises. In England the RAF vectored Venom night…

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