DESCRIPTIONnOriginally intended for infantry support duties, Germany's Sturmgeschutz assault gun and abbreviated StuG III first appeared in combat during 1940. It had the durable Panzer III chassis with a completely new superstructure. To keep the vehicles profile as low as possible, the revolving turret was eliminated and the short barreled 75mm L/24 gun was mounted directly onto the hull. As it was mainly intended for close fire support for the Wehrmacht, it was used as self-propelled artillery against the opposing enemy's strategic points. However, when the German forces encountered the Russian KV and T-34 tanks on the Eastern front, the situation abruptly changed. To cope with this Russian tank threat, the Germans were forced to upgrade their existing weapons systems. The G-type StuG III built from late 1942 onwards, used a more powerful, long barrel 75mm L/48 gun. The early G-type had a square shaped gun mantlet. The superstructure was redesigned and an MG42 machine gun w.