The Tupolev Tu-160 (Russian: Туполев Ту-160 Белый лебедь, romanized: Belyy Lebed, lit. 'White Swan'; NATO reporting name: 'Blackjack') is a supersonic, variable-sweep wing heavy strategic bomber designed by the Tupolev Design Bureau in the Soviet Union. It is the largest and heaviest Mach 2+ supersonic military aircraft ever built and second only to the comparable XB-70 'Valkyrie' in overall length. It is the largest and heaviest combat aircraft, the fastest bomber now in use and the largest and heaviest variable-sweep wing airplane ever flown.
Entering service in 1987, the Tu-160 was the last strategic bomber designed for the Soviet Union. As of 2016, the Russian Air Force's Long Range Aviation branch has at least 16 aircraft in service.The Tu-160 active fleet has been undergoing upgrades to electronics systems since the early 2000s. The Tu-160M modernisation programme has begun with the first updated aircraft delivered in December 2014.