USS Brooklyn (1858) was a sloop-of-war authorized by the U.S. Congress and commissioned in 1859. Brooklyn was active in Caribbean operations until the start of the American Civil War at which time she became an active participant in the Union blockade of the Confederate States of America.
The second USS Florida was a sidewheel steamer in the United States Navy.
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.
The first USS Mohican was a steam sloop-of-war in the United States Navy during the American Civil War. She was named for the Mohican tribe and was the first ship of her class.
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.
USS South Carolina (1860) was a steamer used by the Union Navy during the American Civil War.
USS Stars and Stripes (1861) was a 407-ton steamer acquired by the U.S. Navy and put to use by the Union during the American Civil War.
The first USS Pocahontas, a screw steamer built at Medford, Massachusetts in 1852 as City of Boston, and purchased by the Navy at Boston, Massachusetts on 20 March 1855, was the first United States Navy ship to be named for Pocahontas, the Algonquian wife of Virginia colonist John Rolfe. She was originally commissioned as USS Despatch – the second U.S. Navy ship of that name – on 17 January 1856, with Lieutenant T. M. Crossan in command, and was recommissioned and renamed in 1860, seeing action in the American Civil War. As Pocahontas, one of her junior officers was Alfred Thayer Mahan, who would later achieve international fame as a military writer and theorist of naval power.
USS James Adger was a sidewheel steamer in the Union Navy during the American Civil War. She retained her former name.
The first USS Jamestown was a sloop-of-war in the United States Navy during the Mexican–American War and the American Civil War.
USS Santiago de Cuba (1861) was a side-wheel steamship 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. She was notably successful in this role, capturing several blockade runners. Her last major action of the war was the assault on Fort Fisher, during which seven of her crew won the Medal of Honor.
USS Quaker City (1854) was a heavy, 1,428 long tons (1,451 t) sidewheel steamship leased by the Union Navy at the start of the American Civil War. She was subsequently purchased by the navy, outfitted with a powerful 20-pounder long rifle, and assigned to help enforce the Union blockade of the ports of the Confederate States of America.
USS Connecticut (1861) was a large steamer acquired by the Union Navy during the American Civil War. Her primary task was to prevent ships from penetrating the Union blockade of Southern ports.
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 Perry (1843) was a brig commissioned by the United States Navy prior to the American Civil War. She was tasked by the Navy for various missions, including those related to diplomatic tensions with Paraguay, the Mexican–American War, the slave trade, and the American Civil War. She was probably named after Commodore Oliver Hazard Perry.
USS Massachusetts (1860) was a large steamer acquired by the U.S. Navy prior to the American Civil War.
USS Kittatinny (1861) was a schooner acquired by the Union Navy during the American Civil War. She was used by the Union Navy as a gunboat in support of the Union Navy blockade of Confederate waterways.
USS State of Georgia was a large steamer with powerful guns acquired by the Union Navy during the American Civil War. State of Georgia, with her crew of 113 sailors and officers, was used by the Union Navy as a gunboat in support of the Union Navy blockade of Confederate waterways.
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.
United States