1 fev 1962 ano - Feb 1962 Hillenkoetter quits UFO effort Dolan: 'The only answer,' decided Keyhoe, 'was persuasion at a very high level'...The only question is why would Hillenkoetter be pressured, and what means were used... it seems unlikely that Hillenkoetter would have backed down following a mere request"

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https://www.amazon.com/UFOs-National-Security-State-Chronology-ebook/dp/B0C94W38QY?dib=eyJ2IjoiMSJ9.GA0HJz5rg1XI1vhQTilun3PP3ZJPcdqJIGvqPqjftiw.Jz6jNNopiAivpCNB-tW5t5AeYDzvdvjjWfXxpdnz9a0&dib_tag=se&keywords=UFOs+and+the+National+Security+State%3A+Chronology+of+a+Coverup%2C+1941-1973&qid=1734726610&s=books&sr=1-1

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