Summary: The U.S. Air Force is finalizing tests on the B-21 Raider and has approved its full-scale production, even as plans for its successor are presumably underway. This proactive approach exemplifies the military's strategy to maintain technological superiority. A key example of such forward-looking efforts was the YF-118G Bird of Prey, a Boeing-built stealth technology demonstrator active from 1992 to 1999.
-Although not designed for speed, the Bird of Prey played a crucial role in...