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First successful helicopter made by engineer Igor Sikorsky.
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First military helicopter accepted by U.S. Army.
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First helicopter made for obsevation missions was the Bell H-13 Sioux.
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First transport helicopter made, but only two were ever made and are only prototypes. This helicopter was the Kellett XR-10.
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First helicopter meant for lifting and carrying cargo.
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An experimental helicopter that was a personal hovercraft.
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The Kaman SH-2 Seasprite was an anti-submarine warfare helicopter.
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The Bell AH-1 Cobra was first attack helicopter introduced. Famous for use in the Vietnam War.
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This helcopter is a stealth attack helicopter that stopped production after mass production.
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This is the newest helicopter that is still under development.