sentences:  "Zähringen" was initially used as a storage hulk in the 1920s and was converted into a radio-controlled target ship in 1926–1927.The superstructure was cut down extensively; her hull was subdivided, filled with cork, and sealed to improve its resistance to flooding.Royal Air Force bombers sank the ship in Gotenhafen in 1944 during World War II, and the wreck was broken up in 1949–1950.