USS Fairfax (DD-93) was a Wickes-class destroyer in the United States Navy during World War I, later transferred for World War II service first to the Royal Navy as HMS Richmond (G88), a Town-class destroyer, and then to the Soviet Navy as Zhivuchy.
The first USS Warrington (DD-30) was a modified Paulding-class destroyer in the United States Navy during World War I. She was named for Lewis Warrington.
USS D-2 (SS-18) was a D-class submarine of the United States Navy.
USS Nicholson was an O'Brien-class destroyer built for the United States Navy before the American entry into World War I. The ship was the second U.S. Navy vessel named in honor of five members of the Nicholson family who rendered distinguished service in the American Revolutionary War, the War of 1812, and the American Civil War: brothers James, Samuel, and John Nicholson; William Nicholson, son of John; and James W. Nicholson, grandson of Samuel.
USS Cushing was an O'Brien-class destroyer built for the United States Navy prior to the American entry into World War I. The ship was the second U.S. Navy vessel named in honor of William B. Cushing, a U.S. Navy officer best known for sinking the Confederate ironclad warship CSS Albemarle during the American Civil War.
USS Wadsworth was a Tucker-class destroyer built for the United States Navy prior to the American entry into World War I. The ship was the first U.S. Navy vessel named for Alexander Scammel Wadsworth.
HMS Swordfish (61S) was a first-batch S-class submarine built for the Royal Navy during the 1930s. Commissioned in 1932, she was given the pennant number 61S and was assigned to the 2nd Submarine Flotilla.
German submarine U-201 was a Type VIIC U-boat of the Kriegsmarine in World War II.
USS Isabel (SP-521), later PY-10, was a yacht in commission in the United States Navy as a destroyer from 1917 to 1920 and as a patrol yacht from 1921 to 1946.
The first USS Cythera (SP-575/PY-26) was a United States Navy patrol vessel that saw service in the Atlantic Ocean during both World War I and World War II.
USS Lenape (ID-2700) was a troop transport for the United States Navy in 1918, during World War I. She was launched in 1912 as SS Lenape, a passenger steamer for the Clyde Line. After the entry of the United States into World War I in 1917, she was chartered by the United States Army as transport USAT Lenape. After her Navy service ended in October 1918, she was returned to the Army.
SS Finland was an American-flagged ocean liner built in 1902 for the Red Star Line. During World War I she served as a transport for the United States Navy named USS Finland (ID-4543). Before her Navy service in 1917, she was also USAT Finland for the United States Army.
The first USS Vedette (SP-163) was a commercial yacht built in 1899. At the outbreak of World War I, the yacht was leased by the United States Navy, and was used as a section patrol craft in the North Atlantic Ocean. She served honorably during the war, rescuing survivors at sea, and attacking a German U-boat. At war’s end, she was converted to her original configuration and returned to her owner, the railroad executive, financier, and philanthropist Frederick W. Vanderbilt (1856-1938) of New York City.
USS Noma (SP-131) was the private steam yacht Noma, built in 1902 on Staten Island and loaned to the U.S. Navy during World War I as a patrol craft assigned to protect shipping from German submarines. At war’s end she served the American Relief Commission in Constantinople and the Black Sea before being returned to her owner after decommissioning. In the 1930s she was converted to a salvage tug, owned in Italy as Salvatore Primo, and torpedoed during World War II.
USS Henry R. Mallory (ID-1280) was a transport for the United States Navy during World War I. She was also sometimes referred to as USS H. R. Mallory or as USS Mallory. Before her Navy service she was USAT Henry R. Mallory as a United States Army transport ship. From her 1916 launch, and after her World War I military service, she was known as SS Henry R. Mallory for the Mallory Lines. Pressed into service as a troopship in World War II by the War Shipping Administration, she was torpedoed by the German submarine U-402 in the North Atlantic Ocean and sank with the loss of 272 men—over half of those on board.
USS Wakiva II (SP-160) was a steel-hulled steam yacht that was built in Scotland for Lamon V. Harkness in 1907, and converted into an armed yacht in 1917. She was a United States Navy convoy escort from Brest, France from October 1917. That November she attacked and almost certainly sank an enemy U-boat. She was sunk in May 1918 by a collision that killed two of her crew.
The third USS Wanderer (SP-132), was an armed yacht that served in the United States Navy from 1917 to 1919.
United States Navy operations during World War I began on April 6, 1917, after the formal declaration of war on the German Empire. The United States Navy focused on countering enemy U-boats in the Atlantic Ocean and the Mediterranean Sea while convoying men and supplies to France and Italy. Because of United States's late entry into the war, her capital ships never engaged the German fleet and few decisive submarine actions occurred.
Watt (Q75) was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century. Commissioned in 1910, she served during World War I and was stricken in 1919.
HMCS Wolf was an armed yacht of the Royal Canadian Navy during World War II that saw service on the British Columbia Coast of Canada. Constructed in 1915 as the yacht Wenowah, with the US entry into World War I, the vessel was taken into United States Navy service as USS Wenonah (SP-165) as a patrol ship. The vessel escorted convoys between the United States and Europe and between Gibraltar and Bizerte, Tunis and Genoa, Italy. After the war, Wenonah was loaned to the United States Coast and Geodetic Survey for three and a half years before being sold to private interests in 1928. In private ownership, the vessel was renamed at least twice, including Stranger and Blue Water.
United States
