Pump It Up And Fly: The Goodyear Inflatoplane

The military use inflatable decoys of various equipment including tanks, missile launchers, and aircraft to confuse the adversary and save the real hardware from a strike. No matter how much these decoys resemble the originals, they, of course, cannot perform any of their functions, such as shooting or flying. However, the aviation history knows at least one example of inflatable aircraft that actually could fly.