Summary and Key Points: The U.S. Air Force's B-21 Raider stealth bomber program is progressing as planned, with prototypes undergoing successful flight and technology testing. Developed by Northrop Grumman, the B-21 is designed with advanced stealth capabilities, long-range efficiency, and high maintainability.
-It's expected to be operational within the decade and will play a crucial role in penetrating advanced air defenses, such as those of China.
-The Air Force plans to acquire at least 100 of these strategic bombers...