German U-boats targeted both cargo and passenger ships. On May 7, 1915, the U-20 sank the Lusitania off the coast of Ireland, killing nearly 1,200 people, including 128 Americans.

The 18 months between July 1940 and December 1941 were known, to the German submarine force, as the "happy time." Fleet headquarters in Germany directed U-boat operations by long-range radio.

Shipwreck hunters in Scotland have located the wreck of a British warship that was sunk by a German U-boat in the North Sea nearly 110 years ago. They said the wreckage is that of HMS Hawke ...

The U249, which was the first German U-boat to arrive in UK waters, came into Weymouth Bay and surrendered. The commanding officer went on-board with his crew and took command. The first things ...

When WWII breaks out, an elite force of German U-Boat commanders ... After the fall of France in 1940, Dönitz’s trio of Kriegsmarine U-Boat aces embark on a race to send British merchant ships to the ...

The wreck of a German submarine that sank during World War One has been found in the North Sea and officials believe 23 bodies may be inside it. The type UB-II submarine is said to be in good ...

However, in the mid-1980s the discovery — or, rather, re-discovery — of three German U-boats entombed in an abandoned U-boat ...

Explorers say they’ve found the wreckage of a British warship that was sunk by a German U-boat during World War I. Some 524 people, including the ship’s captain, perished when the HMS Hawke ...

World War I was the first major war to be fought in the air; British, French, and German flying aces ... U-boats were state of the art, a submarine more advanced than any other nation’s. A U ...

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 Dönitz. He was assigned as ...

The SM UC-55 U-boat had been laying mines between Shetland and Orkney when it was forced to surface. A World War One German U-boat has been identified by divers off the coast of Shetland.

Explorers say they’ve found a British warship sunk by a German U-boat in WWI Explorers say they’ve found the wreckage of a British warship that was sunk by a German U-boat during World War I.