After the U.S. Air Force selected the F-47, DARPA disclosed that Boeing and Lockheed Martin each built a demonstrator aircraft for NGAD, which first flew in 2019 and 2022. In another bit of ...
The Pentagon’s Defense Advanced Research Projects Agency (DARPA) has selected Bell Textron to build an X-plane demonstrator capable of flying at speeds of up to 450 knots, with the office confirming ...