The Russian Navy exclusively uses titanium-based submarines that are much more durable, yet the huge maintenance costs bar ...
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The Kriegsmarine's U-47 Submarine Raid at Scapa Flow and Sinking of the Royal Oak (WW2)
The German Submarine branch of the Kriegsmarine was one of the most fear-inducing branches of the German military apparatus ...
Hans Rose was a German submarine (U-boat) captain during the First World War. There are several accounts, both from friend ...
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