In the later period of World War II, the Allied forces gained the air control over the European battlefield, and the German ground forces were faced with a huge air threat. In April 1944, the German military planned to develop a weapon that could accompany the armored forces and provide effective air defense firepower against the Allied fighter bombers. The plan requires the use of Panzer IV Ausf h medium tank chassis, the main weapon is the double tube 30mm mk103 "doppelflak" mechanism gun, which was originally used as an anti-aircraft gun on the German XXI submarine, with a fully enclosed hemispherical turret. The design work was handed over to reminders and Daimler Benz to start production in September 1944.