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 ...

Here’s What You Need To Remember: Too much emphasis on wonder weapons distracts from practical war efforts. On May 4, 1945 one of the most advanced submarines in the world crept up to a British Royal ...