See the competing F-47 stealth fighter jet concepts from Boeing, Lockheed, and more that led to the Air Force's NGAD
See the evolution of Boeing's design of the F-47, a 6th generation stealth fighter jet, compared to competing NGAD concepts ...
Boeing Gets Lifeline in Pentagon Deal to Build Most Expensive Jet Fighter Ever
The contract guarantees a profit for Boeing through the development phase, unlike its past defense deals.