<prompt> Nyora kupfuurira kweiyi ndima - Muna 1941, kuvakwa kwenzvimbo yeDORA 1 yepasi pegungwa kwakatanga muTrondheim. Makore maviri gare gare, muna June 1943, yakapiwa kumukuru wezvikepe, Korvettenkapitän akazoti Fregattenkapitän Rolf Rüggeberg. 13th submarine flotilla yakanga iri front line unit, uye 55 Type VIIC uye a hrefGerman20Type20VII20submarine23Type20VIIC.2F41VIIC41a yakashanda nayo kusvika pakupera kwehondo  <response>: Muna May 1945. 