Zuckschwerdt was set free in 1919 and returned to Germany, where he got promoted to the rank of
Fregattenkapitän. After being shortly dismissed he joined the newly founded
Reichsmarine (the
German Navy in the
Weimar Republic). On 19 February 1920 he received the promotion to the rank of
Captain at sea (
Kapitän zur See). When
German forces occupied France during
World War II, Zuckschwerdt, by then in his late 60s, was appointed harbour commander of
Nieuwpoort and later of
Calais. On 23 February 1941 he was appointed
Kommandant der Seeverteidigung (Commander of Coastal Defense) at
Loire water mouth and later at
Languedoc. On 1 March 1943 Zuckschwerdt was promoted to
Konteradmiral. He then was appointed
Admiral der französischen Südküste ("Admiral of the Coast of southern France") from 26 June to 31 August 1943 and returned to be Commander of Coastal Defense of Languedoc from 1 September 1943 to 4 April 1944. On 23 March 1944 Zuckschwerdt received the
German Cross in Silver as
Seekommandant Languedoc.. On 31 May 1944 Zuckschwerdt went on pension. Nevertheless, after World War II ended, he still became a POW of the US Forces operating in
Garmisch-Partenkirchen on 14 May 1945. He died in July 1945, shortly after Germany's surrender to the Allies, while still being a POW. His grave lies in the area of the former British
POW-camp '''' near
Hövelhof. ==References==