Whakakī i te rerenga e whai ake nei: I whakatūria tētahi Flotilla Dnieper i Hune 1931, engari i whakakorehia i Hune 1940, i tohatohahia ōna kaipuke ki te Flotilla Danube hou (mai i te mea, me te
Ko te noho a te Soviet o Bessarabia me Northern Bukovina (ko nga Soviet inaianei he rohe kei runga i te Danube) me te Pinsk Flotilla. I tangohia te awa o Danube e nga ope Tiamana me Romanian i te timatanga o te whakaekenga o te Soviet Union i te tau 1941, a, i whakakorehia te Danube Flotilla i te Noema 21, 1941.