SS Alcantara was an ocean liner which entered service just weeks before the start of World War I, was converted to an armed merchant cruiser in 1915, and was sunk in combat with the German armed merchant cruiser SMS Greif in the Action of 29 February 1916.
RMS Arlanza was a 14,622 GRT ocean liner of the Royal Mail Steam Packet Company. She was built in Belfast in 1912 for RMSP's scheduled route between England and South America. She was a Royal Navy armed merchant cruiser from 1915 until 1920. She returned to civilian liner service in 1920 and was scrapped in 1938.
HMS Anchusa was a Flower-class corvette that served in the Royal Navy.
SS Justicia was a British troop ship that was launched in Ireland in 1914 and sunk off County Donegal in 1918. She was designed and launched as the transatlantic liner Statendam, a new flagship for the Holland America Line (NASM), but the outbreak of First World War delayed her completion. In 1915 NASM agreed to let the United Kingdom acquire her and have her completed as a troop ship.
The first R class were a class of 62 destroyers built between 1916 and 1917 for the Royal Navy. They were an improvement, specifically in the area of fuel economy, of the earlier Admiralty M-class destroyers. The most important difference was that the Admiralty R class had two shafts and geared turbines, compared with the three shafts and direct turbines of the Admiralty M class, but in appearance the R class could be distinguished from its predecessors by having the after 4-inch gun mounted in a bandstand. The Admiralty ordered the first two of this class of ships in May 1915. Another seventeen were ordered in July 1915, a further eight in December 1915, and a final twenty-three in March 1916.
SS Laurentic was a British transatlantic ocean liner that was built in Belfast, Ireland, and launched in 1908. She is an early example of a ship whose propulsion combined reciprocating steam engines with a low-pressure steam turbine. Laurentic was one of a pair of sister ships that were ordered in 1907 by the Dominion Line but completed for the White Star Line. Her regular route was between Liverpool and Quebec City.
SS Minnedosa was one of a pair of transatlantic steam ocean liners that were built in the United Kingdom, launched in 1917 and operated by Canadian Pacific until 1935. Her sister ship was Melita.
SS Statendam was a transatlantic ocean liner that was launched in Ireland in 1898 for Holland America Line. She was the first of several ships in the company's history to be called Statendam. She was NASM's first ship of more than 10,000 GRT, and she was the largest ship in the company's fleet until Potsdam was completed in 1900.
The German ship Doggerbank was a UK cargo ship that was built in Scotland in 1926, captured by the German Navy in 1941, renamed Doggerbank and converted into an auxiliary minelayer and blockade runner. The German U-Boot U-43 (1939) sank her by mistake in 1943, leading to the deaths of all but one of her 257 passengers and 108 crew.
Empire Curlew was a 4,273 GRT ferry that was built in 1945 as LST Mk.3 HMS LST 3042 by Harland & Wolff, Govan, Scotland for the Royal Navy. In 1947, she was renamed HMS Hunter. During the Suez Crisis in 1956, she was transferred to the Ministry of Transport and renamed Empire Curlew. She served until 1962, when she was scrapped.
SS Magnetic was a passenger tender of the White Star Line built in 1891. She was laid down at the Harland and Wolff Shipyards in Belfast, Ireland. Magnetic was sold to a different company in 1932 and renamed Ryde, and scrapped in 1935.
HMT Aragon, originally RMS Aragon, was a 9,588 GRT transatlantic Royal Mail Ship that served as a troop ship in the First World War. She was built in Belfast, Ireland in 1905 and was the first of the Royal Mail Steam Packet Company's fleet of "A-liners" that worked regular routes between Southampton and South American ports including Buenos Aires.
RMS Asturias was a Royal Mail Steam Packet Company ocean liner that was built in Ireland in 1908 and scrapped in Japan in 1933. She was a Royal Mail Ship until 1914, when on the eve of the First World War the British Admiralty requisitioned her as a hospital ship.
RMS Amazon was a transatlantic Royal Mail Ship that the Royal Mail Steam Packet Company operated on scheduled services between Southampton and South American ports including Buenos Aires. She was the second of the RMSP's fleet of "A" series liners, and was launched in 1906.
SS Pennland was a transatlantic ocean liner that was launched as Pittsburgh in Ireland in 1920 and renamed Pennland in 1926. She had a succession of UK, German and Dutch owners and operators. In 1940 she was converted into a troopship.
SS Westernland was a transatlantic ocean liner that was launched as Regina in Scotland in 1917, renamed Westernland in 1929 and was scrapped in 1947. She began her career as a troop ship repatriating US troops after the Armistice of 11 November 1918. In the Second World War, Westernland served as a troop ship, repair ship and destroyer depot ship.
SS Sagamore was a transatlantic cargo liner that was built in Ireland in 1892 for George Warren's White Diamond Steam Ship Company. In 1913 she was modified to carry passengers as well as cargo. In 1917 a German U-boat sank her, causing the death of 52 members of her crew.
SS Demosthenes was a UK steam ocean liner and refrigerated cargo ship. She was launched in 1911 in Ireland for Aberdeen Line and scrapped in 1931 in England. In the First World War she was an Allied troop ship.
SS Melita was one of a pair of transatlantic steam ocean liners that were built in the United Kingdom, launched in 1917 and operated by Canadian Pacific until 1935. Her sister ship was Minnedosa.
SS Potaro was a refrigerated cargo steamship that was built in Belfast in 1904, and captured and scuttled in the First World War in 1915.
United Kingdom 
