Confederate States Navy
CSS Alabama, captured 65 merchant ships in a 22-month period of time. It burned 52 of them, sold 10 and converted one into another commerce raider, the USS Tuscaloosa. It also sank a US gunboat, the USS Hatteras, the only Union ship lost on the open seas to a Confederate raider. She was sunk in a battle with the USS Kearsarge outside the port of Cherbourg, France.