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.
RMS Alcantara was a Royal Mail Lines ocean liner that was built in Belfast in 1926. She served in the Second World War first as an armed merchant cruiser and then a troop ship. She returned to civilian service in 1948 and was scrapped in 1958.
RMS Adriatic was a British ocean liner of the White Star Line. She was the fourth of a quartet of ships of more than 20,000 GRT, dubbed The Big Four. The ship was the only one of the four which was never the world's largest ship. However, she was the largest, the fastest, and the most luxurious of the Big Four, being the first ocean liner to have an indoor swimming pool and Victorian Turkish baths.
Britannic was a British transatlantic ocean liner that was launched in 1929 and scrapped in 1961. She was the penultimate ship built for White Star Line before its 1934 merger with Cunard Line. When built, Britannic was the largest motor ship in the UK Merchant Navy. Her running mate ship was the MV Georgic.
Orduña or Orduna was an ocean liner built in 1913–14 by Harland and Wolff in Belfast for the Pacific Steam Navigation Company. After two voyages she was chartered to Cunard Line. In 1921 she went to the Royal Mail Steam Packet Company, then being resold to the PSNCo in 1926. Her sister ships were Orbita and Orca.
Megantic was a British transatlantic ocean liner that was built in Ireland and launched in 1908. She was one of a pair of sister ships that were ordered in 1907 by Dominion Line but completed for White Star Line.
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.
The Royal Mail Steam Packet Company was a British shipping company founded in London in 1839 by a Scot, James MacQueen. The line's motto was Per Mare Ubique. After a troubled start, it became the largest shipping group in the world in 1927 when it took over the White Star Line. The company was liquidated and its assets taken over by the newly formed Royal Mail Lines in 1932 after financial trouble and scandal; over the years RML declined to no more than the name of a service run by former rival Hamburg Süd.
MV Reina del Pacifico was a 17,707 GRT ocean liner of the Pacific Steam Navigation Company. She was built in Northern Ireland in 1930–31 and sailed between Liverpool and the Pacific coast of South America until 1939. She served as a troop ship from 1939 until 1946. She returned to her civilian route in 1948 and was scrapped in 1958.
The second SS Laurentic was a 18,724 GRT steam ocean liner built in 1927 by Harland and Wolff, Belfast, for White Star Line. She was the last steamship to be built for White Star Line.
RMS Atrato was a UK steamship that was built in 1888 as a Royal Mail Ship and ocean liner for the Royal Mail Steam Packet Company. In 1912 she was sold and became the cruise ship The Viking. Late in 1914 she was requisitioned and converted into the armed merchant cruiser HMS Viknor. She sank in 1915 with all hands, a total of 295 Royal Navy officers and men.
SS Lapland was a steam ocean liner built in Ireland for the Belgian Red Star Line, as Red Star's flagship, similar in appearance to the fellow liners SS Samland, SS Gothland and SS Poland, but far larger. She was a half sister to White Star Line's "Big Four." They were similar in many ways, such as the island bridge, 4 masts, 2 funnels. But Lapland had a less luxurious interior.
Orbita was an ocean liner built in 1913-14 by Harland & Wolff in Belfast for the Pacific Steam Navigation Company. She was launched on Tuesday, 7 July 1914. Her sister ships were SS Orduna and SS Orca.
SS Themistocles was a UK steam ocean liner and refrigerated cargo ship. She was launched in 1910 in Ireland and scrapped in 1947 in Scotland. She was built for Aberdeen Line, White Star Line managed her for a few years, and she spent the latter part of her career with Shaw, Savill & Albion Line.
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 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.
RMS Andes was a 26,689 GRT steam turbine Royal Mail Ship, ocean liner, cruise ship, and the flagship of the Royal Mail Lines fleet. She was the second Royal Mail ship to be named after the South American Andes mountain range. The first RMS Andes was an A-class liner launched in 1913. In 1929 that RMS Andes was converted into a cruise ship and renamed Atlantis.
RMS Asturias was a Royal Mail Lines ocean liner that was built in Belfast in 1925. She served in the Second World War as an armed merchant cruiser until she was crippled by a torpedo in 1943. She was out of action until 1948 when she returned to civilian service as an emigrant ship. She became a troop ship in 1954 and was scrapped in 1957.
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.
United Kingdom 
