Mobile-Alabama based Offshore-Inland Marine & Oilfield Services has completed hull repairs on the battleship USS Alabama, the state of Alabama's most popular tourist attraction. The 680-ft. battleship was in need of extensive hull repairs after spending 38 years in the muddy waters of Mobile Bay. The USS Alabama sits in about 10 feet of water while her hull rests in another 20 feet of mud. To get to the corroded portions of the hull, a cofferdam was built around the ship and the water pumped out. Approximately 4 feet of mud was excavated from both the port and starboard sides of the vessel. vessel. Offshore-Inland Marine & Oilfield Services removed 10,000 square feet of corroded steel from the battleship's hull.