While the Type XXI subs sank no ships, their potential terrified Allied navies, prompting intensified anti-submarine efforts. Although they lost World War II, the Nazis were more technologically ...

Meet the Barracuda-Class Submarine – The First and Second World Wars saw a major rise in submarine use among navies. The German U-Boats proved the viability of using submarines for Guerre de Course, ...

Although they lost World War II, the Nazis were more technologically advanced than their Allied rivals in multiple ways. Berlin’s problem was scale—and trying to do too much with too few resources.