The US Rockwell B-1 Lancer is a supersonic variable-sweep wing, heavy aircraft used by the United States Air Force (USAF). It is commonly called the “Bone“ (from “B-One“). It is one of three strategic bombers in the U.S. Air Force fleet as of 2021, the other two being the B-2 Spirit and the B-52 Stratofortress. The USAF had 66 B-1Bs in service as of September 2012. The B-1B is expected to continue to serve into the 2030s, with the Northrop Grumman B-21 Raider to begin replacing the B-1B after 2025. The B-1 Lancer currently in inventory will reach the end of their service lives by 2045. [Featured Videos] F-15C Eagle Fighter Aircraft Intercepts B-52 Stratofortress During ABMS Demo, U.S. Air Force B-52 Stratofortress Take Off U.S. Air Force
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