The first USS Arizona was an iron-hulled, side-wheel merchant steamship. Seized by the Confederate States of America in 1862 during the American Civil War, she was captured later the same year by the United States Navy.
USS Katahdin was a Unadilla-class gunboat built for the U.S. Navy during the American Civil War.
USS A. Houghton – a 326 ton bark – was purchased during the beginning of the American Civil War by the Union Navy.
The third USS Lexington was a timberclad gunboat in the United States Navy during the American Civil War.
USS Henry Janes was a mortar schooner acquired by the United States Navy during the American Civil War. She was used as a gunboat and assigned to the blockade of ports of the Confederate States of America.
USS Sarah Bruen was a wooden schooner acquired by the United States Navy during the beginning of the American Civil War.
USS General Lyon, originally the De Soto, was recaptured from the Confederate States of America and renamed USS De Soto, and then USS General Lyon, after Brigadier General Nathaniel Lyon.
Little Rebel was a cotton-clad ram that had been converted from a Mississippi River steamer to serve as the flagship of the Confederate River Defense Fleet in the American Civil War. Sent from New Orleans to defend against the Federal descent of the Mississippi, she was among the force that engaged vessels of the Union Army's Western Gunboat Flotilla at the Battle of Plum Point Bend on May 10, 1862. On June 6, she again was involved in an action with the Federal gunboats, this time at the Battle of Memphis. In the battle, a shot from a Federal gun pierced her boiler, disabling her, and she was then pushed aground by the Federal ram USS Monarch and captured.
USS Cricket was a steamer acquired by the Union Navy during the American Civil War.
USS Matthew Vassar was a schooner purchased by the Union Navy during the American Civil War. She was used by the Union Navy primarily as a mortar gunboat, but also as a gunboat stationed off Confederate ports to prevent their trading with foreign countries.
USS Fairy was a steamer purchased by the Union Navy during the American Civil War.
USS Victory was a steamer purchased by the Union Navy during the American Civil War.
USS St. Clair was a steamer purchased by the Union Navy during the American Civil War.
USS Juliet was a steamer 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 Kate was a steamer 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 Argosy was a steamer acquired by the Union Navy during the American Civil War. She was used by the Union Navy as a supply ship and gunboat in support of the Union Navy blockade of Confederate waterways.
USS New Era was a steamer 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. New Era was also a name initially carried by a timbercladUSS Essex.
USS Avenger was a large steamer with powerful guns 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. Because of her large size, she was also used, at times, as a cargo ship.
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.
The Neosho-class monitors were a pair of ironclad river monitors laid down in the summer of 1862. After completion in mid-1863, both ships spent time patrolling the Mississippi River against Confederate raids and ambushes as part of Rear Admiral David Porter's Mississippi Squadron. Both ships participated in the Red River Campaign in March–May 1864, although Osage supported the capture of Fort DeRussy in March and participated in the Battle of Blair's Landing in April. Osage was grounded on a sandbar for six months after the end of the campaign while Neosho resumed her patrols on the Mississippi. The latter ship supported the Union Army's operations on the Cumberland River and provided fire support during the Battle of Nashville in December.
United States