The Confederate States Navy (CSN) was the naval branch of the Confederate States Armed Forces, established by an act of the Confederate States Congress on February 21, 1861. It was responsible for Confederate naval operations during the American Civil War against the United States's Union Navy.
USS Vermont (1848) was originally intended to be a ship of the line for the U.S. Navy when laid down in 1818, but was not commissioned until 1862, when she was too outdated to be used as anything but a stores and receiving ship.
CSS Jamestown, originally a side-wheel, passenger steamer, was built at New York City in 1853, and seized at Richmond, Virginia in 1861 for the Virginia Navy during the early days of the American Civil War. She was commissioned by the Confederate States Navy (CSN) the following July, and renamed CSS Thomas Jefferson but was generally referred to as Jamestown, after Jamestown, Virginia.
At least three ships of the Confederate States Navy were named CSS Florida in honor of the third Confederate state:
USS Cairo was one of the first American ironclad warships built at the beginning of the U.S. Civil War.
USS Westfield was a sidewheel steam ferryboat in the United States Navy during the American Civil War.
The second USS Memphis was a 7-gun screw steamer, built by William Denny and Brothers, Dumbarton, Scotland in 1861, which briefly served as a Confederate blockade runner before being captured and taken into the Union Navy during the American Civil War. She was destroyed by fire in 1883.
HMSGannet is a Royal Navy Doterel-class screw sloop-of-war launched on 31 August 1878. She became a training ship in the Thames in 1903, and was then loaned as a training ship for boys in the Hamble from 1913. She was restored in 1987 and is now part of the UK's National Historic Fleet.
USS Black Hawk (1848) was a large steamer purchased by the Union Navy during the American Civil War.
USS Monarch was a United States Army sidewheel ram that saw service in the American Civil War as part of the United States Ram Fleet and the Mississippi Marine Brigade. She operated on the Mississippi River and Yazoo River during 1862 and 1863.
The City-class ironclad USS Cincinnati was a stern-wheel casemate gunboat in the United States Navy during the American Civil War. She was named for Cincinnati, Ohio, and was the first ship to bear that name in the United States Navy.
USS Red Rover (1859) was a 650-ton Confederate States of America steamer that the United States Navy captured. After refitting the vessel, the Union used it as a hospital ship during the American Civil War.
Five ships and three shore establishments of the Royal Navy have borne the name HMS Caledonia after the Latin name for Scotland:
USS Patroon was a screw steamer acquired by the United States Navy during the American Civil War. The Union Navy used her to patrol off the coast of the Confederate States of America to enforce the Union blockade.
The second USS Tigress was a steamer chartered by the United States Navy at the beginning of the American Civil War. She was commissioned in 1861 and served in the Union Navy until lost in 1862.
The master, or sailing master, is a historical rank for a naval officer trained in and responsible for the navigation of a sailing vessel. The rank can be equated to a professional seaman and specialist in navigation, rather than as a military commander.
HMS Medina was a 2-gun Merlin-class paddle packet boat built for the Royal Navy during the 1830s. The ship remained in ordinary until she was commissioned in 1848. She was converted into a survey ship in 1856 and was broken up in March 1864.
Royal Danish Navy 
United States Navy 