The Rockwell B-1 Lancer[b] is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force. It has been nicknamed the “Bone” (from “B-One”). As of 2024, it is one of the United States Air Force’s three strategic bombers, along with the B-2 Spirit and the B-52 Stratofortress. Its 75,000-pound (34,000 kg) payload is the heaviest of any U.S. bomber.
