They stalked Allied ships in silence, deadly and unseen. Then, one by one, they were destroyed — sent to the ocean floor by torpedoes, depth charges, and the tides of war. But some didn’t stay lost.

In an era of hypersonic missiles, stealth fighters, and nuclear subs, it’s hard to picture sailors going toe-to-toe with the enemy on a ship’s deck. Yet during World War II, the crew of a brand-new ...

The German U-boat U-853 sank the last U.S. merchant ship sunk in WWII. Historian Tim Gray speculates that German U-boats may have entered Narragansett Bay before the U.S. officially entered WWII.

The post-war narrative of the German U-boat efforts follows several stages: the first “Happy Time,” followed by the second “Happy Time,” and then utter destruction by the Allies. In reality, the ...

Early on June 29, 1942, the 8,032-ton British steam tanker HMS Empire Mica cruised east through calm waters toward Key West, Florida, where it planned to join a convoy bound for the United Kingdom.

The U-505 submarine served 12 patrols and sank eight enemy boats before the US Navy captured it. The U-boat is now on display at Chicago's Griffin Museum of Science and Industry. Visitors can walk ...