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	Model Modern Wind Tunnel The wind tunnel at Wright Field in Dayton, completed in 1921, was the prototype for other modern aircraft testing facilities around the world.
	Electricity for Deep Space Missions John H. Birden and Kenneth C. Jordan in 1955 developed the electric power generator used on most United States deep-space missions.
	Amazing Propeller Advances Frank W. Caldwell, an Ohio engineer, made landmark advances in the design of aircraft propellers in the 1920s and 1930s.
	The Modern Parachute J. Floyd Smith, a pioneering test pilot for the U. S. Army at McCook Field in Dayton, in 1919 invented the world's first free-fall parachute.
	First Successful Helicopter George de Bothezat, a Russian-born engineer who emigrated to the U.S., developed the first successful experimental helicopter in Dayton in 1922.
	America's Astronaut Factory Ohio has an unprecedented role in populating the United States astronaut corps -- the birthplace of two dozen astronauts, more than any other state.
	Giant Hangar The Goodyear Zeppelin Airdock was completed in Akron in 1929, and was the largest building in the world without interior supports.
	WACO Barnstorms the World WACO, the Weaver Aircraft Company of Troy, OH, produced many of the world's leading biplanes and gliders for military and civilian markets.
	The Wright Brothers Wilbur and Orville Wright began studying aeronautics in 1896 while building bicycles in Dayton, and built their first "flying machine" in 1903.
	PDF Containing All Aviation & Aerospace Topics