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The B-1 Lancer, developed by North American Aviation's successor Rockwell International, is a long-range strategic bomber used by the United States Air Force. It was designed to replace the aging B-52 Stratofortress and is capable of carrying a variety of conventional and nuclear weapons. The B-1 Lancer is known for its speed, range, and payload capacity, making it a key component of the U.S. military's strategic bomber fleet.