https://www.engadget.com/2012-08-08-nasa-x-48c-hybrid-wing-body-test-flight.html
NASA's X-48C hybrid wing-body plane completes first test flight
Aug 8, 2012 - After planting a rover firmly on Mars' surface and testing a new methane-fueled lander, NASA has squeezed in the first test flight of its X-48C hybrid...
hybrid wing bodys x