Post Thumbnail

If at first your unmanned aerial vehicles don't succeed... try, try again? After a series of unsuccessful tests with the Boeing X-50 Dragonfly and Groen Heliplane, the US government is once again trying to develop a high-speed, vertical takeoff-and-landing (VTOL) aircraft. DARPA just announced the

1 year ago 0 Comments
February 27, 2013 at 11:18AM