The very first USS Hatteras was a 1,126-ton iron-hulled steamer purchased by the Union Navy at the beginning of the American Civil War. She was outfitted as a gunboat and assigned to the Union blockade of the ports and waterways of the Confederate States of America. During an engagement with the disguised Confederate commerce raider, CSS Alabama, she was taken by surprise and was sunk off the coast of Galveston, Texas. The wreck site is one of the few listed on the National Register of Historic Places because of its location away from destructive surf and because of the ship's side-wheel design, which marks the transition between wooden sailing ships and steam-powered ships.
USS Santee was a wooden-hulled, three-masted sailing frigate of the United States Navy. She was the first U.S. Navy ship to be so named and was one of its last sailing frigates in service. She was acquired by the Union Navy at the start of the American Civil War, outfitted with heavy guns and a crew of 480, and was assigned as a gunboat in the Union blockade of the Confederate States. She later became a training ship then a barracks ship for the U.S. Naval Academy.
USS New London was a screw steamer of the Union Navy during the American Civil War. She was outfitted with a Parrott rifle and 32-pounders, and was assigned as a gunboat in the Union blockade of the Confederate States of America.
USS Sciota was a Unadilla-class gunboat built on behalf of the United States Navy for service during the Civil War. She was outfitted as a gunboat, with both a 20-pounder rifle for horizontal firing, and two howitzers for shore bombardment, and assigned to the Union blockade of the waterways of the Confederate States of America.
USS South Carolina was a steamer used by the Union Navy during the American Civil War.
USS Stars and Stripes 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 Seminole was a steam sloop-of-war in the United States Navy during the American Civil War.
USS Albatross was a screw steamer rigged as a three-masted schooner acquired by the Union Navy during the beginning of the American Civil War. She was outfitted as a gunboat with heavy guns and used in the Union blockade of the waterways of the Confederate States of America.
USS Rachel Seaman was a wooden schooner purchased by the Union Navy during the American Civil War.
USS Bienville was a 1,558 long tons (1,583 t) (burden) wooden side-wheel paddle steamer acquired by the Union Navy early in the American Civil War. She was armed with heavy guns and assigned to the Union blockade of the waterways of the Confederate States of America.
USS Penobscot was a Unadilla-class gunboat built for the Union Navy during the American Civil War.
USS Morning Light was a sailing 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 Samuel Rotan was a schooner acquired by the Union Navy during the American Civil War. She was outfitted by the Union Navy as a gunboat to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries. Prior to the war, the US Navy had mostly large, deep-draft, oceangoing vessels. The establishment of the Union blockade required small, fast, shallow-draft vessels like the Samuel Rotan for littoral operations.
USS Two Sisters was a small 54-ton captured Confederate schooner acquired by the Union Navy from the prize court during the American Civil War.
USS Arthur was a bark 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 G. W. Blunt was a Sandy Hook pilot boat acquired by the Union Navy during the American Civil War in 1861. See George W. Blunt (1856) for more details. She was used by the Union Navy as a gunboat as well as a dispatch boat in support of the Union Navy blockade of Confederate waterways.
USS George W. Rodgers was a schooner captured by the Union Navy during the American Civil War. She was initially intended to be used as part of the stone fleet of sunken obstructions; however, she was retained and used as a picket boat and dispatch vessel and, later, as a survey ship, concentrating her efforts in the waterways of the Confederate South.
The third USS Virginia was a 581-ton blockade-running steamer captured by the United States Navy and put to use during the American Civil War. Virginia served the U.S. Navy primarily as a mortar gunboat. Her ordnance included six 24-pounder howitzers and a 12-pounder rifled gun.
The Texas Marine Department (1861–1865) was formed in the State of Texas shortly after Texas came under blockade from the Union Navy in 1861. It operated under the control of the Confederate Army during the Civil War.
USS Isilda, sometimes spelled Ezilda, was an armed schooner in commission in the United States Navy from 1861 to 1863. As part of the Union Navy, she saw service during the American Civil War.
United States