German tanks in World War II of Kursk, the largest tank battle in history. It had sloped armor which increased the effective thickness of the armor from to roughly , effectively making the front of the tank virtually impervious to enemy fire. However the sides of this tank were very vulnerable, ranging from only to of either barely sloped or completely flat armor plating. The tank carried a high-velocity 75 mm gun, which possessed more penetration than the Tiger's 88 mm gun at short range. Series production began in 1943. The tank was plagued with mechanical problems throughout its service life, several of which were never
Bombing of Friedrichshafen in World War II and the "Zahnradfabrik Friedrichshafen" (literally "gearwheel factory Friedrichshafen") tank gearbox factory. In February 1944 an underground factory at Immenstaad near Friedrichshafen was suspected to be a synthetic oil and/or liquid oxygen plant. Near Überlingen, forced labor of KZ-Häftlinge im Goldbacher Stollen, KZ Nebenlager Raderach and the Aufkirch subcamp of Dachau concentration camp was used for constructing an underground facility for armament manufacturing (code name "Magnesit") safe from Allied air raids. Bombing of Friedrichshafen in World War II The German city of Friedrichshafen was bombed during World War II as part of the Allied strategic bombing campaign against German war materiel