USS Hendrick Hudson (1859) was a schooner-rigged screw steamer captured by the Union Navy during the American Civil War. She was used by the Navy as a gunboat in support of the Union blockade of the ports of the Confederate States of America.
USS R. R. Cuyler was a steamer in the United States Navy during the American Civil War. She was outfitted by the Union Navy as a gunboat and was assigned to the Union blockade of the Confederate States of America.
The first USS San Jacinto was an early screw frigate in the United States Navy during the mid-19th century. She was named for the San Jacinto River, site of the Battle of San Jacinto during the Texas Revolution. She is perhaps best known for her role in the Trent Affair of 1861.
The first USS Seminole was a steam sloop-of-war in the United States Navy during the American Civil War.
USS Santiago de Cuba (1861) was a brig acquired by the Union Navy during the first year of the American Civil War. She was outfitted as a gunboat with powerful 20-pounder rifled guns and 32-pounder cannon and was assigned to the Union blockade of the Confederate States of America.
USS Kansas (1863) was a gunboat constructed for the Union Navy during the middle of the American Civil War. She was outfitted with heavy guns and assigned to the Union blockade of the waterways of the Confederate States of America. She was the first U.S. Navy ship to be named Kansas and was the first of a class of 836-ton screw steam gunboats. At war's end, she continued serving her country by performing survey work and defending American interests in Cuba until sold in 1883.
USS Merrimac was a sidewheel steamer first used in the Confederate States Navy that was captured and used in the United States Navy during the American Civil War.
USS Somerset was a wooden-hulled, side-wheel ferryboat built at Brooklyn, N.Y., in 1862, which was purchased by the Navy at Washington, D. C., on 4 March 1862 and was commissioned at the New York Navy Yard on 3 April 1862, Lt. Earl English in command.
USS Huron was a Unadilla-class gunboat built for the United States Navy during the American Civil War for blockage duty against the ports and rivers of the Confederate States of America.
USS Sea Bird (1863) was a captured Confederate schooner acquired by the Union Navy from the prize court during the American Civil War.
USS Ariel (1862) was a captured Confederate schooner acquired by the Union Navy from the prize court during the American Civil War. She was put into service by the Union Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.
USS Huntsville was a steamer 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 De Soto was a fast wooden-hulled sidewheel steamship that saw service as a U.S. Navy gunboat during the American Civil War.
USS Iuka (1864) was a steamer 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 Fort Morgan (1863) was a steamer acquired by the Union Navy during the American Civil War. She was used by the Navy as a storeship and in other minor roles.
USS Circassian (1862) was a large steamer captured by the Union Navy during the American Civil War.
USS Marigold (1863) was a steamer acquired by the Union Navy during the American Civil War. She was used by the Union Navy as a tugboat, dispatch boat and also as a gunboat in the blockade of the Confederacy.
USS Britannia (1862) was a steamer captured by the Union Navy during the American Civil War. She was used by the Union Navy as a gunboat and patrol vessel in support of the Union Navy blockade of Confederate waterways.
The first USS Wanderer was a high-speed schooner originally built for pleasure. It was used in 1858 to illegally import slaves from Africa. It was seized for service with the United States Navy during the American Civil War. In U.S. Navy service from 1861 to 1865, and under outright U.S. Navy ownership from 1863 to 1865, she was used by the Union Navy as a gunboat, as a tender, and as a hospital ship. She was decommissioned, put into merchant use, and lost off Cuba in 1871.
USS Wyandotte, originally USS Western Port, was a steamer acquired by the Navy as a gunboat for the Paraguay expedition in 1858. When the crisis of the American Civil War occurred, she operated in support of the Union Navy blockade of Confederate waterways.
