White Star Line naval mine, while in service as a hospital ship. "Britannic" was the largest loss for the company, and also the largest ship sunk during the conflict. 1916 also saw the loss of the liner "Cymric" which was torpedoed off the Irish coast in May, and also of the cargo ship "Georgic", which was scuttled in December with its cargo of 1,200 horses still on board, after being intercepted in the Atlantic by the German merchant raider . 1917 saw the loss of the liner "Laurentic" in January which struck a mine off the Irish coast and sank with the loss
Sister ship Sister ship A sister ship is a ship of the same class or of virtually identical design to another ship. Such vessels share a nearly identical hull and superstructure layout, similar size, and roughly comparable features and equipment. They often share a common naming theme, either being named after the same type of thing (places, constellations, monarchs) or with some kind of alliteration. Often, sisters become more differentiated during their service as their equipment (in the case of naval vessels, their armament) are separately altered. For instance, the U.S. warships , , , and are all sister ships, each being