Light weight SPG based on the T70 light tank chassis developed in 1943. This formed a useful support weapon capable of artillery and AT fire. It proved very mobile, often able to cross ground other vehicles could not. It was still in service during the Korean and Vietnam wars going on with some nations into the late 1970s.
Manufactured from 1941 the ZIS-3 divisional gun gave admirable service during WW2 and the Korean and Vietnam wars. It was significantly lighter than other contempory designs and proved a capable AT gun and artillery piece.