Kammala jumla mai zuwa: Daga 1 ga Fabrairun 1928, "Medusa" ya fara aiki a matsayin jirgin ruwa na jirgin ruwa don jirgin ruwa na torpedo da ma'aikatan jirgin ruwa a Wilhelmshaven. A ranar 29 ga Maris, 1929, an soke shi daga rajistar sojan ruwa. A watan Yulin 1940, a lokacin Yaƙin Duniya na II, "Medusa" an canza shi zuwa batirin anti-aircraft mai iyo a Rickmers Reederei tashar jirgin ruwa a Bremerhaven. Makamanta a wannan lokacin sun ƙunshi ɗaya &lt;a href="10.5%20cm%20SK%20C/32%20naval%20gun"&gt;10.5 cm SK C/32 gun&lt;/a&gt;, huɗu &lt;a href="10.5%20cm%20FlaK%2038"&gt;10.5 cm SK C/33 guns&lt;/a&gt;, biyu &lt;a href="3.7%20cm%20%SK20C/30"&gt; SK C/30 guns&lt;/a&gt;, da kuma bindigogi Flak huɗu. Daga nan sai aka sanya shi zuwa Naval Anti-aircraft Group 222, kuma ya kasance a tashar jiragen ruwa a Wilhelmshaven, wanda aka kafa a Varel, farawa a ranar 13 ga Agusta, 1940. Ta kasance a can har tsawon yakin. A ranar 19 ga Afrilu, 1945, an lalata shi sosai ta hanyar harin iska na Allied wanda ya kashe ashirin da uku kuma ya raunata arba'in da ɗaya daga cikin ma'aikatanta. Ragowar ma'aikatanta sun watsar da jirgin a ranar 3 ga Mayu, kwanaki kafin
karshen yakin a Turai. Sojojin Birtaniya sun gano jirgin da ya nutse kusa da jirgin. A ƙarshe an ceto jirgin a cikin 1948-1950 kuma an rushe shi don ɓarna.