In 2010, CIA documents were released indicating that " top US officials never believed Powers ’ account of his fateful flight because it appeared to be directly contradicted by a report from the National Security Agency, the clandestine US network of codebreakers and listening posts.

In 2010, CIA documents were released indicating that " top US officials never believed Powers ’ account of his fateful flight because it appeared to be directly contradicted by a report from the National Security Agency " which alleged that the U2 had descended from 65, 000 to 34, 000 feet before changing course and disappearing from radar.

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