After his recovery, he rose to the rank of Generalmajor, and served on the army General Staff in Adolf Hitler's headquarters. Dethleffsen was arrested on 23 May 1945, and was held until March 1948 in an American Prisoner of War Camp.
After recovering from his illness, he attained the rank of Generalmajor and served on the army General Staff in Adolf Hitler's headquarters. Dethleffsen was arrested on 23 May 1945 and held until March 1948 at an American Prisoner of War Camp.