USS Susquehanna (ID-3016) was a transport for the United States Navy during World War I. She was the second U.S. Navy ship to be named for the Susquehanna River. Before the war she operated at SS Rhein, an ocean liner for North German Lloyd. She was the lead ship of her class of three ocean liners. After the end of World War I, the ship operated briefly in passenger service as SS Susquehanna. Laid up in 1922, Susquehanna was sold to Japanese ship breakers in 1928 and scrapped.
Kronprinz Wilhelm was a German ocean liner built for Norddeutscher Lloyd, a shipping company now part of Hapag-Lloyd, by the AG Vulcan shipyard in Stettin, Germany, in 1901. She was named after Crown Prince Wilhelm, son of the German Emperor Wilhelm II, and was a sister ship of SS Kaiser Wilhelm der Grosse.
Heino von Heimburg was a German U-boat commander in the Kaiserliche Marine during World War I and served also as Vizeadmiral in the Kriegsmarine during World War II.
SS Kroonland was an ocean liner for International Mercantile Marine (IMM) from her launch in 1902 until she was scrapped in 1927. Kroonland was the sister ship of Finland and a near sister ship of Vaderland and Zeeland of the same company. Kroonland sailed for IMM's Red Star Line for 15 years, and also sailed for IMM's American Line and Panama Pacific Line. During World War I, the ship served as United States Army transport USAT Kroonland through April 1918, and as the Navy auxiliary USS Kroonland (ID-1541) from April 1918 to October 1919.
SS Vaderland was an ocean liner launched in July 1900 for the Red Star Line service between Antwerp and New York. During her passenger career, the ship initially sailed under British registry, but was re-registered in Antwerp in 1903. Vaderland was a sister ship to Zeeland and a near sister ship to Kroonland and Finland.
SM UB-47 was a Type UB II submarine or U-boat for the German Imperial Navy during World War I. UB-47 was sold to the Austro-Hungarian Navy during the war. In Austro-Hungarian service the B was dropped from her name and she was known as SM U-47 or U-XLVII as a member of the Austro-Hungarian U-43 class.
SM UB-14 was a German Type UB I submarine or U-boat in the German Imperial Navy during World War I. The submarine was also known by the Austro-Hungarian Navy designation of SM U-26.
SS Tubantia was a Dutch-owned ocean liner that was launched in Scotland in 1914. She and her sister ship Gelria were the largest and swiftest ships in the Koninklijke Hollandsche Lloyd (KHL) fleet. They were also the first KHL ships to have quadruple-expansion steam engines.
HMHS Glenart Castle was a steamship originally built as Galician in 1900 for the Union-Castle Line. She was renamed Glenart Castle in 1914, but was requisitioned for use as a British hospital ship during the First World War. On 26 February 1918, she was hit and sunk by a torpedo fired from the German U-boat UC-56.
Ophelia was a steamship originally built by a German shipping company, but requisitioned for use as a hospital ship by the Imperial German Navy during the First World War. After being viewed acting suspiciously, the Ophelia was boarded on 17 October 1914 and seized by the Royal Navy for violating Hague Convention X of 1907 concerning hospital ships.
RMS Magdalena was a British steamship that was built in 1889 as a Royal Mail Ship and ocean liner for the Royal Mail Steam Packet Company. In the First World War she served as the troop ship HMT Magdalena. After a long and successful civilian and military career she was scrapped in 1923.
Châteaurenault was a large protected cruiser built for the French Navy in the late 1890s and early 1900s. She was intended to serve as a long-range commerce raider, designed according to the theories of the Jeune École, which favored a strategy of attacking Britain's extensive merchant shipping network instead of engaging in an expensive naval arms race with the Royal Navy. As such, Châteaurenault was built with a relatively light armament of just eight medium-caliber guns, but was given a long cruising range and the appearance of a large passenger liner, which would help her to evade detection while raiding merchant shipping.
An armed boarding steamer was a merchantman that the British Royal Navy converted to a warship during the First World War. AB steamers or vessels had the role of enforcing wartime blockades by intercepting and boarding foreign vessels. The boarding party would inspect the foreign ship to determine whether to detain the ship and send it into port or permit it to go on its way.
SS Heliopolis was a Clyde-built British passenger ship. She was subsequently renamed in 1910 SS Royal George, and served as a troop ship for the Canadian Expeditionary Force during the First World War.
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.
SS Glenartney was a cargo steamship that was launched in Scotland in 1911 and sunk by a U-boat in the English Channel in 1918.
HMS Osmanieh was a passenger and cargo ship that entered service in 1906. In 1916, the ship was requisitioned as a troopship and supply ship for the British Royal Navy in the First World War. On 31 December 1917, Osmanieh struck a mine laid by the Imperial German Naval U-boat SM UC-34 and sank at Alexandria, Egypt with the loss of 209 lives.
Several ships have been named Royal Edward:
SS Dongola, launched 14 September 1905, was a steam-powered ocean liner of the Peninsular and Oriental Steam Navigation Company (P&O), at various times used as a Royal Navy troop ship and hospital ship.
SS Caledonia was a British ocean liner that was built in Scotland in 1905 and converted into a troop ship in 1914. She was sunk by a German U-boat in the Mediterranean in 1916.
Admiralty 
