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
HMS Strongbow (1916) HMS Strongbow (1916) HMS "Strongbow" was an M-class destroyer built for the British Royal Navy during the First World War. The ship was launched in September 1916 and entered service in November that year. "Stongbow" was sunk on 17 October 1917 by the German light cruisers and in the North Sea, when escorting a convoy of merchant ships from Norway. HMS "Strongbow" was ordered from Yarrow Shipbuilders in July 1915 as part of the Sixth War Programme of shipbuilding for the Royal Navy. "Strongbow" was built as a Yarrow "special", to Yarrow's own design rather than to the Admiralty's own