The IS-3 was a heavy Russian Tank developed in late 1944 as response to the German heavy Tiger and Panther tanks. The tank is also known as Object 703. The IS-3, short for Joseph Stalin in Russian, had an hemispherical turret. On 7 September 1945, after the War, it was demonstrated to the public during the Allied Victory Parade in Berlin.
The IS-3 Heavy tank weighed 46,500 kilograms and reached a top speed of 37 km/h on-road. It had a crew of 4 men. Its frontal armor was 110 mm thick and it had a 122 mm gun with one 12,7 mm machine gun and one 7,62 mm machine gun.
An updated version was produced from 1952 and was referred to as IS-3M.
