The Russian T-90AM "Proryv" vehicle and its export version T-90MS is the latest modification of the T-90A main battle tank. The most important change concerns the turret, which is now equipped with the newest and advanced fire control system Kalina, which has an integrated combat information and control system. In addition, the tank is equipped with a modernized 2A46M-5 120mm smoothbore gun with new automatic loading device. Furthermore a remote controlled anti-aircraft gun T05BV-1. Protection consists of the newest reactive armor bricks Relikt. Modernization has led to the fact that the mobility and security of the T-90MS tank have improved considerably and the dimensions have remained practically unchanged, so it still remains in the class of combat vehicles up to 50 tons.