Naval mine ship, HMHS "Britannic", which was the sister ship of the RMS "Titanic." During World War II, the U-boat fleet, which dominated much of the battle of the Atlantic, was small at the beginning of the war and much of the early action by German forces involved mining convoy routes and ports around Britain. German submarines also operated in the Mediterranean Sea, in the Caribbean Sea, and along the U.S. coast. Initially, contact mines (requiring a ship to physically strike a mine to detonate it) were employed, usually tethered at the end of a cable just below the surface of the
Murature-class patrol ship Murature-class patrol ship The "Murature"-class patrol ships are a class of World War II era Argentine Navy warships, originally classified as minelayers and later reclassified as patrol ships. The class is named after José Luis Murature, Foreign Minister of Argentina from 1916 to 1918. The class was as part of a program to build four mine warfare ships during the Second World War, of which two ("Murature" and "King") were completed as patrol ships and the others ("Piedrabuena" and "Azopardo") as antisubmarine frigates. "Murature" was laid down in 1944 and commissioned in 1945, while her sister "King" was launched in