Ferdinand Porsche reached the rank of "SS-Oberführer". During the war, Porsche was further decorated with the SS-Ehrenring and awarded the War Merit Cross. As the war progressed his proposed solutions to new developments became more complex and Ferdinand Porsche gained a reputation in certain circles as a "mad scientist" especially with Albert Speer (mainly due to his new found affinity for "pointy" designs). A new city, "Stadt des KdF-Wagens" was founded near Fallersleben for the Volkswagen factory, but wartime production concentrated almost exclusively on the military Kübelwagen and Schwimmwagen variants. Mass production of the car, which later became known as the Beetle,
Tiger II the Battle of the Seelow Heights in April 1945, and the Battle of Berlin at the end of the war. On 12 January 1945, a column of Tiger IIs from 524th Heavy Panzer Battalion were involved in a short-range engagement with IS-2 tanks near the village of Lisow, with both the German and Soviet formations suffering heavy losses. The 103rd SS Heavy Panzer Battalion (s.SS Pz.Abt. 503) claimed approximately 500 kills in the period from January to April 1945 on the Eastern Front for the loss of 45 Tiger IIs (most of which were abandoned and destroyed by their own