Parafoils

thumb|200 px|Illustrations from Jalbert's 1966 patent, showing the keels and the airfoil shape.thumb|200 px|The NASA X-38 prototype makes a gentle lakebed landing at the end of a July 1999 test flight at the Dryden Flight Research Center.

cargo delivery unmanned aerial vehicle

military aircraft

experimental NASA glider using the Rogallo airfoil