In 1974 he was part of the remaining German General Staff that took part in the Operation Sea Lion wargame at Sandhurst in the United Kingdom, replicating the planned German invasion of Britain in 1940 (which the German side lost).
In 1974 he was part of the remaining German General Staff that took part in the war game at Sandhurst in the United Kingdom, replicating the planned German invasion of Britain in 1940 (which the German side lost).