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Tu-160

The Tupolev Tu-160 Beliy Lebed (or White Swan,[1] Russian: -160 , 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 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 currently in use, and is the largest and heaviest variable-sweep wing airplane ever flown.[citation needed]

Entering service in 1987, the Tu-160 was the last strategic bomber designed for the Soviet Union. As of 2016, the Russian Air Force, Long Range Aviation branch has 16 aircraft remaining, with fewer being airworthy and in service.[citation needed] 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.