"While strong on land and in the air, [the Soviet Union] is weak on the water. Most Russian ships are World War or pre-War in origin, and many of her best vessels are in the Baltic, facing Germany, or in the Far East, where Japan looms up."
"The five-times divided Red Navy operates four 1911 battleships, seven cruisers, 35 destroyers, between 30 and 60 submarines, 60 gunboats, etc. Total tonnage: 200,000."
Click here to read about the Hitler-Stalin Non-Aggression Pact.
Click here to read about the German concept of Blitzkrieg.