USS Katahdin was a Unadilla-class gunboat built for the U.S. Navy during the American Civil War.
USS Hendrick Hudson 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 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 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.
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 Kennebec was a Unadilla-class gunboat built for the U.S. Navy following the outbreak of the American Civil War. She was named for the Kennebec River.
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 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 Sunflower was a 294-ton steamer acquired by the Union Navy during the American Civil War.
USS Restless was a barque acquired by the Union Navy during the American Civil War.
USS Kanawha was a Unadilla-class gunboat built for 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 Flambeau was a screw steamship purchased by the Union Navy during the American Civil War. She was used by the Union Navy as a gunboat, operating in Confederate waterways.
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 Tahoma was a Unadilla-class gunboat built by order of the United States Navy for service during the American Civil War.
USS Antona was a steamer captured by the Union Navy during the American Civil War. She was used by the Union Navy as a dispatch boat and gunboat in support of the Union Navy blockade of the Confederate States of America.
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 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 its blockade of Confederate waterways.
USS Victoria was a steamer acquired by the Union Navy during the American Civil War.
The third USS Virginia was a 581-ton blockade-running steamer captured by the United States Navy and put to use by the Union Navy 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.
United States