An item dealing with the Soviet Danube Steam Navigation Service and dating prior to March 1950 mentioned as active on the Danube the Soviet-Union flagged motor tug Kuban ex-German/Austrian Oder with a horsepower of 500 hp.
Source
The report was published on www.archive.org, document number CIA-RDP82-00457R005900290005-5
Source
The report was published on www.archive.org, document number CIA-RDP82-00457R005900290005-5