The Tupolev Tu-160 is a supersonic, variable-sweep wing nuclear-capable heavy strategic bomber and airborne missile platform designed by the Tupolev Design Bureau in the Soviet Union in the 1970s. It is the largest and heaviest Mach 2+ supersonic military aircraft ever built and second to the experimental XB-70 Valkyrie in overall length and top speed. As of 2024, it is the largest and heaviest combat aircraft, the fastest bomber in use and the largest and heaviest variable-sweep wing airplane ever flown. The Tu-160 is operated by the Long Range Aviation of the Russian Aerospace Forces.