See the evolution of Boeing's design of the F-47, a sixth-generation stealth fighter jet, compared with competing NGAD ...
Perhaps also because Boeing, Lockheed Martin and Northrop Grumman were all competing for both parts of the manned fighter jets. So, they were all three in competition for the US Air Force ...
The U.S. Navy is expected to announce this week who will build its next-generation carrier-based stealth fighter - a program ...