Naval Support Activity Charleston, originally designated Naval Weapons Station Charleston, is a base of the United States Navy located on the west bank of the Cooper River, in the cities of Goose Creek and Hanahan South Carolina. The base encompasses more than 17,000 acres (69 km2) of land with 10,000 acres (40 km2) of forest and wetlands, 16-plus miles of waterfront, four deep-water piers, 38.2 miles (61.5 km) of railroad and 292 miles (470 km) of road. The current workforce numbers more than 11,000 with an additional 3,600 people in on-base family housing.