Pedzisa mutsara unotevera: A Dnieper Flotilla yakaumbwa muna June 1931, asi yakaparadzwa muna June 1940, zvikepe zvayo zvakagoverwa kuDanube Flotilla ichangobva kuumbwa (sezvo, pamwe chete ne
Kubata kweSoviet kweBessarabia neNorthern Bukovina (vaSoviet vakanga vava nemuganhu paDanube) uye Pinsk Flotilla. Rwizi rweDanube rwakabatwa nemauto eGermany neRomania mukutanga kwe1941 kupinda muSoviet Union, uye Danube Flotilla yakaparadzwa musi waNovember 21, 1941.