They displaced 837 tons of seawater while submerged and boasted a range of 7,600 miles when cruising at 17.7 mph on the surface. They measured 210 feet in overall length and could travel up to 11 mph ...
Nine ships sunk by German torpedoes during World War I have been found off the coast of Morocco, experts announced.
Meanwhile, below the waves, German submarines sought to sink supply ... The Battle of Jutland was the largest naval battle of World War One. The battle took place in the North Sea off the coast ...