Horten Ho XIIIa
The Ho XIIIa research glider was built by the Horten Brothers in 1943 to explore flight characteristics during low-speed take-offs and landings. Linked to their Ho X supersonic interceptor project, the craft had a steep 60deg. sweepback at its leading edge. The glider was destroyed at the end of the War by liberated prisoners. First fligth: November 27th,1944.