Philadelphia Naval Complex, Pennsylvania

A major military shipyard with four miles of waterfront on the Delaware River, in south Philadelphia. Formerly called the Philadelphia Naval Station and the Philadelphia Naval Shipyard, entities officially closed by BRAC in 1995. Portions of the complex are undergoing transfer to civilian uses as the Philadelphia Naval Business Center. The navy has retained 1.8 million square feet of space, mostly as part of the navy's Ship Systems Engineering Station, part of the Surface Warfare Center, Carderock Division.