The Soviet KV-1 heavy tank was a shock to the invading German forces in June 1941. Its thick armour made it all but impenetrable to German anti-tank fire, forcing extreme measures like direct fire artillery to be used to destroy it. However, it had one big drawback. It was more expensive to produce than the T-34, but had the same 76.2mm gun and worse mobility. Production ended in April 1943 and it was phased out soon after. | The Tank Museum

The Heavy Tank of the Red Army: The KV-1 The KV-1 was a Soviet heavy tank developed in the late 1930s and saw extensive use during World War II. Named after Marshal Kliment Voroshilov, the KV-1 was designed to withstand the harsh conditions of the Eastern Front and to counter the German Blitzkrieg tactics. With its thick armor, which could withstand hits from most early war anti-tank weapons, the KV-1 was a formidable opponent. Equipped with a 76.2mm gun, it offered decent firepower against enem