 USS Winona in the Mississippi River off Baton Rouge, Louisiana, in March 1863.
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| History | |
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.svg){kind=small}  United States | |
| Name | USS Winona |
| Namesake | The chief village of the Kiyuksa band of the Mdewakanton Sioux. |
| Builder | C. & R. Poillon, New York City |
| Cost | $101,000 exclusive of armament |
| Laid down | date unknown |
| Launched | 14 September 1861 |
| Completed | 1861 at New York City |
| Acquired | by the Navy at the New York Navy Yard on 26 November 1861 |
| Recommissioned | 11 December 1861 |
| Decommissioned | 9 June 1865 |
| Stricken | 1865 (est.) |
| Fate | Sold at New York City on 30 November 1865 |
| General characteristics | |
| Class and type | Unadilla-class gunboat |
| Displacement | 691 tons |
| Tons burthen | 507 |
| Length | 158 ft (48 m) (waterline) |
| Beam | 28 ft (8.5 m) |
| Draft | 9 ft 6 in (2.90 m) (max.) |
| Depth of hold | 12 ft (3.7 m) |
| Propulsion | 2 × 200 IHP 30-in bore by 18 in stroke horizontal back-acting engines; single screw |
| Sail plan | Two-masted schooner |
| Speed | 10 kn (11.5 mph) |
| Complement | 114 |
| Armament |
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USS Winona was a Unadilla-class gunboat built for service with the Union Navy during the American Civil War. Winona was heavily armed, with large guns for duels at sea, and 24-pounder howitzers for shore bombardment. Winona saw significant action in the Gulf of Mexico and in the waterways of the Mississippi River and was fortunate to return home safely after the war for decommissioning.