In 1941 the British and Canadian navies managed, with great effort, to turn the tide and curb the U-Boats threat in the North Atlantic – but Admiral Dönitz was about to introduce a new kind of U-Boat – one that would deal a deadly blow to the British, American and Canadian forces. Type 21, AKA - Elektroboote.
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Credits
https://soundcloud.com/eldienneproductions/hip-hop-beat-instrumental-9
https://soundcloud.com/stevenobrien/tracks