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 ...

Several American sailors climbed aboard the German submarine U-505, focused on saving it from sinking into the depths of the Atlantic Ocean. They did not know if the Nazi submariners who dove ...

Here’s What You Need to Know: The Nazis had hoped a new kind of submarine would—in theory—fundamentally change the nature of the war at sea. On May 4, 1945 one of the most advanced submarines in the ...

As World War II drew to a close, U.S. Navy intelligence suspected German U-boats equipped to launch V-1 rockets were preparing to hit New York City. The War Department dismissed the threat. The Navy ...

When the German submarine U-505 was captured by US forces in 1944, the mission was top secret. Now, eight decades later, the vessel — the only intact German submarine that was captured by US forces ...