28 jul 1918 ano - U-Boat

Descrição:

The German submarines terrorised Allied shipping, sinking around 2,600 vessels. Yet the sailors sent to serve in U-boats knew their chances of survival were low. Out of 17,000 men who served, more than 5,100 lost their lives. Serving on a U-boat was one of the most dangerous occupations in the entire war.

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