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Leonardo Da Vinci discovered that a screw shaped machine could rise in the air if spun fast enough. He made a drawing but never built it.
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In france a man named Paul Cornu made an aircraft that could take off vertically with a pilot .The machine had to be stabalized by men on the ground because it was not easily controled.
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The Germans made the first helicopter that could fly, land, and take off with ease. It was called the Focke Wulf Fw61.
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The Nazis made the first war helicopter and it was the most advanced World War 2 helicopter. They used it for rescue, artillery spoting, and submarine protection
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The first helicopters in vietnam were HU-1As. The U.S. operated more than 3,900 helicopters. The helicopters were used for transportation of solders.
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In 2000 the USA made the first unmaned helicopter.Thecould use it for taking airel photos.
