The KV tanks are a series of Soviet heavy tanks named after the Soviet defence commissar and politician Kliment Voroshilov who operated with the Red Army during World War II. The KV tanks were known f
KV-1 on display in Kirovsk
KV-2 in Central Armed Forces Museum with KV-1 in background
KV-1 with KV-1S turret in the Great Patriotic War Museum, Moscow.
The IS tanks were a series of heavy tanks developed as a successor to the KV-series by the Soviet Union during World War II. The IS acronym is the anglicized initialism of Joseph Stalin. The heavy tan
KV tank family
…the KV had over the T-34/76 was its larger and roomier three-man turret. Later in the war, the KV series became a base for the development of the IS (Iosif Stalin) series of tanks and self-propelled guns. After disappointing results with the multi-turreted T-35 heavy tank, Soviet tank designers…
IS-2 model 1943 (more modern fenders added) (foreground) and IS-3 (background) at the Great Patriotic War Museum, Minsk, Belarus
An IS-7 tank during trials (1948)