Wilhelm Groener
Schmundt remained in the Navy after the end of the war and in the 1920s commanded the torpedo boat "S18" and served as a staff officer. He was promoted to Korvettenkapitän in 1927 and served as an aide to Defence Minister Wilhelm Groener between 1929 and 1932. During the 1930s Schmundt commanded the light cruisers Königsberg (1934–35) and Nürnberg (1935–36). He became commander of the Naval Academy Mürwik in Flensburg-Mürwik in 1938 and was promoted to rear admiral.