The IS Tank was a series of heavy tanks developed as a successor to the KV-series by the Soviet Union during World War II. Advertisement All the Latest Game Footage and Images from BattleRush ...

In 1938 Soviet tank designers came up with the best heavy tank design in the world - the KV-1. Far from perfect, this 45 ton rolling behemoth would kick start a series of hugely impressive and ...

It could penetrate the front armor of tanks like the KV-1. The powerful tank destroyer ... The Soviets discovered they needed a mobile heavy gun to dislodge the Germans during the Stalingrad ...