The "U-486" was torpedoed and broken in two by a British submarine in April 1945 shortly after leaving the western Norwegian town of Bergen. There was no survivors.

Swedish Navy locates Soviet submarine S-6 which went missing in action in 1941 in the Baltic, southeast of Öland.

China secretly salvaged a British submarine sunk in an accident in 1931. Beijing has admitted that it raised and scrapped the Poseidon in 1972

The U-550 is one of several World War II-era German U-boats that have been discovered off the U.S. coast, but it's the only one that sank in that area.

A team of divers from the Buchan Divers group found the wreck of the German U-boat scuttled by its crew off the Scottish coast after a 12 year search

Australia to open up diving on the wreck of a Japanese mini submarine that famously attacked Sydney harbour during World War II, following consent from Tokyo

The UK environment minister is to call in experts to identify a wreck found in the River Foyle, which could be a World War II submarine.

The wreckage of a British World War II submarine that sank 70 years ago in the Mediterranean Sea has been discovered seven miles away from Malta and in doing so a World War II British mystery has been solved, The Malta Independent Online reports

English Heritage said divers stole the torpedo tube hatch of the Holland 5, which sank six miles off Eastbourne in East Sussex in 1912.

In the years prior to World War II, the Italian fleet had developed a new underwater weapon, the SLC, a slow torpedo which was manned by two divers. Submerged, and thereby unseen, the frogmen on the SLC could get close in to the enemy ships and mine them. The frogmen trained in attacking their own ships, and after many excercises developed a procedure for approach and placing mines under the ships.