Ruppelt publishes The Report on Unidentified Flying Objects

Captain Edward J. Ruppelt with another officer at an Air Force base, 1953
Edward Ruppelt (left) in 1953, when he headed Project Blue Book Associated Press, Public domain, via Wikimedia Commons

Edward Ruppelt, former head of the Air Force's Project Blue Book, published an inside account of its UFO investigations with Doubleday. In the book he wrote that he created the term 'UFO' to replace 'flying saucers'.

Sources

  1. FirsthandThe Report on Unidentified Flying Objects (Edward J. Ruppelt, Doubleday, 1956) (opens in a new tab)Project Gutenberg / 1956

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