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 &lt;a href="German%20Type%20VII%20submarine%23Type%20VIIC.2F41"&gt;VIIC/41&lt;/a&gt; yakashanda nayo kusvikira
kuguma kwehondo muna May 1945.