The concept of gliders propelled by small engines emerged in the 1920s, but didn't rise in popularity until the 1970s. The ultralights on display include Cosmos Phase II, which appeared in the movie Fly Away Home.
Helicopters come closer than any other aircraft to achieving the birdlike freedom humanity has always envied. Learn about the history of helicopters from the first rotary-wing aircraft (autogiro) to the XV-15.
While the German Luftwaffe demonstrated early successes in the use of airpower during World War II, and spurred many technological advancements, faulty military strategy and mismanagement of aircraft development programs ultimately led to its downfall.