Every U-boat commander in 1940 knows the drill: stay outside the destroyer screen, fire at periscope depth, dive, and vanish.

The German Submarine branch of the Kriegsmarine was one of the most fear-inducing branches of the German military apparatus ...

The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the ...

The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ...

Coast guard rescuers pulled all 21 people out of the water, but a 17-year-old female student and the captain of Fukutsu were ...

The Pentagon has launched one of its largest-ever underwater recovery missions to retrieve American ...