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Project Cumulus was a 1950s UK government initiative to investigate weather manipulation, in particular through cloud seeding experiments. Known jokingly internally as ''Operation Witch Doctor'',〔 the project was operational between 1949 and 1952. ==Motivation== The military were controlling the weather for several reasons, as detailed in the minutes of an Air Ministry meeting held on 3 November 1953.〔Vidal, John and Helen Weinstein, (RAF rainmakers 'caused 1952 flood' ), ''The Guardian'', 30 August 2001, retrieved 21 July 2007.〕 They included: * "bogging down enemy movement"; * "incrementing the water flow in rivers and streams to hinder or stop enemy crossings"; * clearing fog from airfields. 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 Cumulus」の詳細全文を読む スポンサード リンク
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