and so far, every enormously expensive next generation bomber meant to replace the B52 have not been able to do so. The B52 Stratofortres was introduced in 19

and so far, every enormously expensive next generation bomber meant to replace the B52 have not been able to do so. The B52 Stratofortres was introduced in 1955 qty 744 The B-58 Hustler was introduced in 1960. (not to replace B52). qty 116 The FB-111A / F-111G was introduced in 1968 * qty 76 The B-1 Lancer was introduced in 1986 to replace the B-52. qty 104 The B-2 Spirit was introduced in 1997 to replace the B-52. qty 21 The B-21 Raider to be introduced in 2025 to place the B1 and B52. qty 6 +?? * The FB-111A was a strategic bomber version of the F-111 for the USAF Strategic Air Command. With Air Force's Advanced Manned Strategic Aircraft program proceeding slowly, and concerns of fatigue failures in the B-52 fleet, the service needed an interim bomber quickly