Kammala wannan jumla: "Mars" ta kasance mai aiki da Neptune Line. Tana da ma'aikata 38 da kuma masauki ga fasinjoji goma sha biyu. Kriegsmarine ya nemi shi a cikin 1940, amma an mayar da shi zuwa Neptun Line daga baya a waccan shekarar. An sake sake shi a shekarar 1942. kuma ya canza shi zuwa jirgin asibiti don amfani da soja. A ranar 13 ga Disamba, 1943, "Mars" ya lalace sosai a cikin wani hari na iska a kan Bremen da Amurka ta takwas Air Force. Ta taimaka a cikin
kwashe 'yan kasar Jamus daga Königsberg da Pillau. Tsakanin Janairu da Afrilu 1945, ta dauki mutane 20,000. "Mars" wataƙila ita ce babbar jirgi ta ƙarshe da ta bar Pillau zuwa Copenhagen.