&sq=&lang=&file=File:USSManhattanNH60256.jpg) A contemporary lithograph of Manhattan at sea
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| History | |
|---|---|
 United States | |
| Name | USS Manhattan |
| Ordered | 15 September 1862 |
| Builder | Perine, Secor & Co. |
| Laid down | 1862 |
| Launched | 14 October 1863 |
| Commissioned | 6 June 1864 |
| Decommissioned | 1877 |
| Renamed | USS Neptune, 15 June – 10 August 1869 |
| Stricken | 14 December 1901 |
| Fate | Sold to be broken up, 24 March 1902 |
| General characteristics | |
| Type | Canonicus-class monitor |
| Displacement | 2,100 long tons (2,100 t) |
| Tons burthen | 1,034 tons (bm) |
| Length | 223 ft (68.0 m) |
| Beam | 43 ft 4 in (13.2 m) |
| Draft | 13 ft 6 in (4.1 m) |
| Installed power |
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| Propulsion | |
| Speed | 8 knots (15 km/h; 9.2 mph) |
| Complement | 100 officers and enlisted men |
| Armament | 2 × 15-inch (381 mm) smoothbore Dahlgren guns |
| Armor |
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USS Manhattan was a single-turreted Canonicus-class monitor built for the Union Navy during the American Civil War. After commissioning in 1864 the ship was assigned to the West Gulf Blockading Squadron and participated in the Battle of Mobile Bay. At the end of the battle, Manhattan took the surrender of the Confederate casemate ironclad ram Tennessee. She bombarded Fort Morgan during the Siege of Fort Morgan and later blockaded the mouth of the Red River until the end of the war.
The ship was placed in reserve after the end of the war and Manhattan was only occasionally recommissioned before being sold for scrap in 1902.