USS Mound City (1862-1865)USS Mound City, a 512-ton Cairo class ironclad river gunboat, built at Mound City, Illinois, for the U.S. Army's Western Gunboat Flotilla. was commissioned in January 1862. She was actively engaged in combat operations during the later winter and spring of 1862, participating in the action at Columbus, Kentucky, in February, the capture of the Island Number Ten fortress in March and April, and operations against Fort Pillow in May. She was twice rammed by Confederate steamers off Fort Pillow on 10-11 May, requiring her withdrawal for repairs.Mound City returned to action in June and was badly damaged by enemy cannon fire during a bombardment at St. Charles, Arkansas. Repaired again, she was involved in operations in the Yazoo River, Vicksburg and Grand Gulf campaigns during 1862-63. In March-May 1864, Mound City participated in the Red River expedition. Her activities during the remainder of the Civil War involved guard and patrol duties and excursions up Mississippi River tributaries. Decommissioned after the end of the conflict, USS Mound City was sold in November 1865 and broken up in 1866.