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 ...

Key point: The Type XXI provides several lessons in how technology—while important—doesn’t alone win wars. On May 4, 1945 one of the most advanced submarines in the world crept up to a British Royal ...

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.