Wikimedia Commons/USN photo courtesy of Photo i.d. courtesy of Chuck Norris ETC, Retired. The USS Cavalla USS Cavalla left ...

As World War I came to an end, Germany was forced to surrender its fleet to the Allies, including the massive U-118 submarine. The French took possession of the vessel and set sail for her new ...

Submarines came to the forefront of military navies with the advent of WWI, as Germany's dangerous U-boats proved a formidable force throughout the conflict.

Germany started testing submarines in 1851, and by the end of WWI, built more than 300 U-boats.

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 went ...

A team of divers have recovered the propeller of the UC-42 German submarine that sunk in Cork Harbour during the WWI in 1917.

Divers have recovered a propeller believed to be from a World War One German submarine which sank in Cork Harbour in 1917.

Divers have discovered a "long-lost" German submarine from WWI - and the British merchant ship believed to have sunk it. The specialists from Guernsey found the German UC-18 last seen in 1917 ...

Both submarines were used by the Imperial German Navy, which controlled the waters off the Belgian coast during WWI. One of the submarines is a type "U-5" U-boat measuring around 187 feet in ...

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. The SM ...