The B-1B Lancer is a supersonic strategic bomber used by the United States Air Force. Designed for long-range missions, it can carry both conventional and nuclear weapons. The aircraft features variable-sweep wings, allowing it to optimize performance at various speeds and altitudes. Introduced in the 1980s, the B-1B has undergone several upgrades to enhance its capabilities. It is equipped with advanced avionics and radar systems, making it effective in modern combat scenarios. The bomber plays a crucial role in the U.S. military's global strike capabilities, providing flexibility and deterrence in various operations.