In 1931, Major-General Oswald Lutz was appointed the "Inspector of Motor Transport" in the German Army (Reichswehr) with Heinz Guderian as his Chief of Staff and they began building the German Armored Forces and a program of light training tank to train future personnel of Panzer Divisions. In 1932, specifications for light (5-ton) tank were made and issued to Rheinmetall, Krupp, Henschel, MAN and Daimler Benz.