USS Carl R. Gray -- later renamed USS Nausett -- was a tugboat, purchased by the U.S. Navy and commissioned on 5 October 1918, Boatswain J. Zucker in command.
USS Challenge (SP-1015/AT-59/YT-126/YTM-126) was a commercial tugboat acquired by the United States Navy for service in World War I, and remained available for duty during World War II.
USS Underwriter (1880), later renamed USS Adirondack, was a tugboat acquired by the U.S. Navy for duty during World War I. After the end of war, she remained on active duty performing miscellaneous tasks and services until she was decommissioned and sold in 1922.
USS Penobscot (SP-982/YT-42/YTB-42) was a commercial harbor tugboat purchased by the U.S. Navy at the start of World War I. Penobscot performed her towing services for the 5th Naval District on the U.S. East Coast, and continued to do so for the 3rd Naval District through the end of World War II. She was finally retired from Navy service in 1947.
USS Arapaho (AT-14/YT-121) was an Arapaho-class fleet tug that performed various tugboat services for the United States Navy. She was constructed in Seattle, Washington; however, she spent most of her working career on the U.S. East Coast, primarily at Norfolk, Virginia, and Philadelphia, Pennsylvania.
The fourth USS Relief (ID-2170) was a salvage tug that served in the United States Navy from 1918 to 1919.
The second USS Wando, later YT-17, later YT-123, later YTB-123, was a United States Navy tug in commission from 1917 to 1946.
Bouker No. 2, originally Robert Rogers, was a tugboat built in 1904 for merchant service in and around the waters of New York City. During World War I, the tug was commissioned into the United States Navy as USS Bouker No. 2 (SP-1275), and continued in naval service until 1921. Briefly considered for service as a fireboat in Norfolk, Virginia, she was instead returned to merchant service in 1922 as a tugboat, under the name New York Marine Co. No. 6. She was sunk in collision with a passenger steamer in 1926.
USS Goliah (SP-1494), also listed as ID-1494, was an armed tug that served in the United States Navy as a patrol vessel and tug from 1918 to 1919.
The second USS Uncas was a United States Navy tug in commission from 1898 to 1922.
USS Maple, was a lighthouse tender that served in the United States Navy from 1893 to 1899, seeing service as an auxiliary ship during the Spanish–American War in 1898, and from 1917 to 1919, operating as a patrol vessel during World War I. She also served as USLHT Maple in the United States Lighthouse Board fleet from 1899 to 1910 and in the United States Lighthouse Service from 1910 to 1933.
The first USS Hiawatha (SP-183) was an armed yacht that served in the United States Navy as a patrol vessel from 1917 to 1920.
The second USS Pocomoke (SP-265), later YT-43, was a United States Navy minesweeper and tug commissioned in 1917 and sold in 1922.
The second USS Choctaw was a yard tug in the United States Navy from the Spanish–American War to World War II. She was renamed USS Wicomico in 1918.
The first USS Williams (SP-498), sometimes cited as USS Williams '18, later USS SP-498, was a United States Navy patrol vessel in commission from March to December 1918.
The first USS Hampton (ID-3049), also listed as SP-3049, was a United States Navy tug in commission from 1918 to 1919.
USS Dreadnaught (ID-1951), later YT-534 and YNG-21, was a United States Navy tug that was in service from 1918 to 1944.
USS Katie (SP-660) was a United States Navy patrol vessel in commission from 1917 to 1918.
USS L. A. Dempsey (SP-1231) was a United States Navy armed tug that was in commission as a patrol vessel from 1917 to 1919.
USS Western Comet (ID-3569) was a United States Navy cargo ship in commission from 1918 to 1919.
United States