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
Biruința (ship) Biruința (ship) Biruința (Romanian equivalent for "Victory"), renamed Iris Star and later Histria Crown, is a Romanian crude oil tanker. The "Biruința", one of the biggest ships of the Romanian commercial fleet, was sold after the Romanian Revolution of 1989 and after 6 years of service. The ship was then re-registered under the Maltese flag as "M/T IRIS STAR". Administered by Histria Ship Management, the tanker had a 150,000 T.D.W. capacity. On July 27, 2000, the ship lost power due to engine failure and drifted towards Kandilli point in Turkey. There was no extensive damage reported. The sister ship of