B1B
B1B is an alphanumeric designation used in multiple contexts, though it is best known for its association with the B-1B Lancer, a United States Air Force strategic bomber. The B-1B Lancer was developed by Rockwell International and first flew in 1983, entering service in 1986. It features variable-geometry (swing) wings, a high-speed, long-range capability, and a large payload capacity that supports a mix of conventional and, historically, nuclear weapons. Over its service life, the aircraft has undergone modernization programs to improve avionics, navigation, air-to-ground precision, and survivability. It remains a prominent element of the USAF bomber fleet in contemporary planning and operations, having been deployed in a variety of missions that emphasize rapid, long-range strike capabilities and deep interdiction.
Beyond aviation, the exact meaning of the B1B designation can vary by context since alphanumeric codes are