<prompt> Pedzisa mutsara unotevera: Muna 1941, kuvakwa kwenzvimbo yezvikepe zvepasi pegungwa DORA 1 kwakatanga muTrondheim. Makore maviri gare gare, muna June 1943, yakapiwa kumukuru wezvikepe, Korvettenkapitän akazoti Fregattenkapitän Rolf Rüggeberg. 13th submarine flotilla yaiva front line unit, uye 55 Type VIIC uye a hrefGerman20Type20VII20submarine23Type20VIIC.2F41VIIC41a yakashanda nayo kusvikira  <response>: kuguma kwehondo muna May 1945. 