<human>:  What was the name of the Red Army’s main tank?
<bot>: The T-34 was the main tank of the Soviet Red Army during World War II. The T-34 was a medium tank developed by the Soviet Union during the 1930s. It was the first tank to be mass-produced by the Soviet Union, and was used by the Red Army during the war. The T-34 was used extensively by the Red Army during the war, and many tanks were captured by the Germans.