of it.
             Recreation was not the only thing planes were used for. First plane used in a war was in April of 1914, where the U.S. force began using planes for reconnaissance in hostilities with Mexico. (Popular Science, 2003) The first jet aircraft was built by Hans von Ohain, a young German physicist, and Ernst Heinkel, a plane builder. Their aircraft only flew for six minutes, on August 27, 1939. Not only have planes been used for warfare and for recreational purposes, but they've also been used for leisure activities.
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