The self-propelled AA GUN/SAM system 2S6M 'Tunguska' is modification of a 2S6 system, projected in KBP instrument design bureau an a begenning of 90-th years. Included two 30mm 2A38 twin-barrel automatic cannons, 2M311 and missiles in containers and radar station based on 2S6 combat vehicle. It is used in the Russian Army for air defence of armored units columns and cover of stationary military objects.