Tupolev Tu-160 Strategic Bomber Aircraft Russian Air Force
Tupolev Tu-160 or nickname Blackjack is a supersonic strategic bomber aircraft manufactured by Tupolev Design Bureau. The picture shown us the Tu-160 while on aerial refueling attempt somewhere over Russia's airspace. The Tupolev Tu-160 also world's largest combat aircraft and it has variable-sweep wings as well. This variable-sweep wings able to adapt aircraft while cruising on sub-sonic or supersonic region.
Russian Air Force has been operating Tupolev Tu-160 since 1987 (in the past also known Soviet Union). Currently about sixteen Tu-160s still active on duty in Russian Air Force. Since early 2000 till now, old Tupolev Tu-160 got modernization effort and Tu-160 became Tu-160M, M stands for modernization.
The first upgraded Tu-160 completed in 2014 and expected whole weapons and avionics modernization to be finished in 2020. Lately, Russian Air Force placed new order for another 50 Tu-160s, surely pretty huge combat aircraft fleet.