<prompt> Bhala okuqhubekayo kwalesi sigaba - IMars yayiphethwe yiNeptune Line. Yayinabasebenzi abangu-38 kanye nendawo yokuhlala yabagibeli abayishumi nambili. Wabizwa ngo-1940 yiKriegsmarine, kodwa wabuyiselwa ku-Neptun Line kamuva ngalowo nyaka. Waphinde wathunjwa ngo-1942. futhi waguqulwa waba umkhumbi wesibhedlela ukuze usetshenziswe ngamasosha. NgoDisemba 13, 1943, i-Mars yalimala kakhulu ngesikhathi kuhlaselwa iBremen yi-United States Eighth Air Force. Wasiza ekususweni kwezakhamuzi zaseJalimane  <response>: kusukela eKönigsberg nasePillau. Phakathi kuka-January no-April 1945, yathwala abantu abangu-20 000. Cishe i-Mars kwakuwumkhumbi omkhulu wokugcina owasuka ePillau uya eCopenhagen. 