An important component of the armored weapons of the red Army during the great Patriotic war was self-propelled artillery. As you know, the red Army did the heavy (SU-152, ISU-152 and ISU-122), medium (SU-122, SU-85 and SU-100) and light (SU-76 and SU-76M) self-propelled guns. The process of creating the latter was launched on 3 March 1942 after the formation of the special Bureau of self-propelled artillery. It was created on the basis of the 2nd Department of the NKTP (engineering), chief of which S. Ginsburg A., on starting from September, 1941, put forward proposals for an assault and anti-aircraft self-propelled gun on the basis of outdated and light tanks.
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