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Project Grudge : ウィキペディア英語版 | Project Grudge
Project Grudge was a short-lived project by the U.S. Air Force to investigate unidentified flying objects (UFOs). Grudge succeeded Project Sign in February, 1949, and was then followed by Project Blue Book. The project formally ended in December 1949, but continued in a minimal capacity until late 1951. ==Background== Project Sign had been active from 1947 to 1949. Some of Sign's personnel, including director Robert Sneider, favored the extraterrestrial hypothesis as the best explanation for UFO reports. They prepared the Estimate of the Situation arguing their case. This hypothesis was ultimately rejected by high-ranking officers, and Project Sign was dissolved and replaced by Project Grudge.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Project Grudge」の詳細全文を読む
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