USS Alert was a 90 long tons (91 t) steamship named A. C. Powell purchased by the Union Navy during the first year of the American Civil War.
CSS Teaser had been the aging Georgetown, D.C. tugboat York River until the beginning of the American Civil War, when she was taken into the Confederate States Navy and took part in the famous Battle of Hampton Roads. Later, she was captured by the United States Navy and became the first USS Teaser.
The first USS Seminole was a steam sloop-of-war in the United States Navy during the American Civil War.
USS Satellite was a steam powered large tugboat, acquired by the Union Navy during the American Civil War and equipped with two powerful 8-inch guns. She was assigned to the Union blockade of the Confederate States of America.
USS Yankee was a steam-powered side-wheel tugboat acquired by the Union Navy just prior to the outbreak of the American Civil War.
USS Heliotrope was a wooden steamer acquired by the Union Navy for use during the American Civil War. In addition to patrol duty, Heliotrope performed other services, such as towing and dispatch running.
USS Jacob Bell was a sidewheel steamer acquired by the Union Navy for use during the American Civil War. She was one of the oldest vessels so acquired. Her duties included river patrols, guard duty, and other duties as assigned.
USS Anacostia was a steamer, constructed as a tugboat, that was first chartered by the United States Navy for service during the Paraguay crisis of the 1850s and then commissioned as a U.S. Navy ship. She later served prominently in the Union Navy during the American Civil War.
USS Young America was a Confederate steamer captured by the Union Navy’s blockade vessels, and subsequently placed in-service in the Union Navy during the American Civil War.
USS Zouave was a steamer acquired by the Union Navy during the American Civil War. She was needed by the Navy to be part of the fleet of ships to prevent blockade runners from entering ports in the Confederacy.
USS General Putnam – also known as the USS William G. Putnam – was acquired by the Union Navy during the first year of the American Civil War and outfitted as a gunboat and assigned to the Union blockade of the Confederate States of America. She also served as a tugboat and as a ship's tender when so required.
USS Racer was a schooner acquired by the Union Navy during the American Civil War. She was used for various purposes, but, especially for bombardment because of her large 13-inch mortar that could fire up and over tall riverbanks.
USS Western World was a ship acquired by the Union Navy during the American Civil War. She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.
USS Thomas Freeborn was a steam tug acquired by the Union Navy during the American Civil War. She was used by the Navy as a gunboat to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.
The Potomac Flotilla, or the Potomac Squadron was a unit of the United States Navy created in the early days of the American Civil War to secure Union communications in the Chesapeake Bay, the Potomac River and their tributaries, and to disrupt Confederate communications and shipping in the same.
USS Stepping Stones was a steamer purchased by the Union Navy during the early part of the American Civil War.
USS Polaris, originally called the America, was an 1864-screw steamer procured by the Union Navy as USS Periwinkle during the final months of the American Civil War. She served the Union Navy's struggle against the Confederate States as a gunboat.
USS Rescue was a small (111-ton) steamer commissioned by the United States Navy during the American Civil War.
The third USS Union was a heavy (1,114-ton) steamer with a powerful 12-inch rifled gun purchased by the United States Navy during the American Civil War.
USS T. A. Ward was a 284-ton schooner was purchased by the Union Navy during the Union blockade of the Confederate States of America during the American Civil War.
United States
