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 ...

Here’s What You Need to Know: The Type XXI provides several lessons in how technology—while important—doesn’t alone win wars. It’s also a lesson in how the fanatical pursuit of advanced weapons can ...

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.