Dark Seas Official on MSN
Hitler’s secret U-boats fought in Spain years before WW2 officially began
In late 1936, Germany secretly sent U-33 and U-34 into the Mediterranean during the Spanish Civil War under Operation Ursula.
Dark Seas Official on MSN
The U-boats that nearly starved Britain and reshaped naval warfare
This video follows the rise of German U-boats from World War I to the wolfpack campaign that nearly brought Britain to its ...
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