A U-boat is nothing more than the Anglicized term for a German submarine and isn't strikingly different from U.S. subs. The ...

1, with its enormous 12-inch gun. The Treaty of Versailles blocked the German Navy from having submarines and limited the number of officers to 1,500. One of those officers was U-boat skipper Karl ...

It wouldn’t resume again until 1917, when the German U-boat fleet had tripled in size ... but the infantry were simply mowed down by machine guns and rifle fire on the far bank.

The Brazilian Navy has confirmed that a wreck found in 2011 is that of a Brazilian auxiliary ship sunk in 1944 by a torpedo ...

Over eight decades ago, the US Navy made the historic capture of a Nazi U-boat during World War II. A treasure trove of vital German intelligence, the submarine's capture was top-secret. See inside ...