This is the first time anyone in the United States has flown a reusable hypersonic rocket plane since the last flight of the ...

After the U.S. Air Force selected the F-47, DARPA disclosed that Boeing and Lockheed Martin each built a demonstrator aircraft for NGAD ... As for the second X-plane, the Lockheed Martin ...

One of DARPA’s latest projects is set to reshape the future of aviation for the US Armed forces - the SPRINT X-Plane ... achieve all of the parameters demanded of this revolutionary aircraft.