The Air Force’s primary platform for air attack against the most heavily defended targets will be the sixth-generation B-21 Raider, featuring a degree of stealth “orders of magnitude” stealthier than the B-2A Spirit it will replace.
optionally manned
At least 20 new airplane programs—including a handful that are variants—are in some stage of planning or development. If sustained, this airplane-building campaign will lower the average age of the fleet, increase its size, and enhance its ability to be upgraded rapidly.