I’ve long been intrigued at mentions of a sunken German U-boat explored by divers in Rhode Island waters. But I’d never known if that was a sign World War II naval battles happened close to America.

One of the deadliest military machines of World War II was the infamous German U-boat. While most people know a little about U-boats and are more than aware that they're submarines, one thing that's ...

Reinhard Hardegen, a leading German submarine commander of World War II who brought U-boat warfare to the doorstep of New York Harbor in the winter of 1942, died June 9. He was 105. His death, ...