Philadelphia Naval Shipyard. The shipyard closed on September 30, 1995, but the Navy Intermediate Ship Maintenance Facility (NISMF) will continue to store decommissioned and mothballed ships. Vessels visible , left to right: the battleships USS Iowa (BB-61), and USS Wisconsin (BB-64) at the DD wharf; USS Sylvania (AFS-2), USS Milwaukee (AOR-2) and USS Savannah (AOR-4) at pier 5; the aircraft carriers USS Forestall (CV-59) and USS Saratoga (CV-60); at pier 4; the amphibious assault ships USS Iwo Jima (LPH-2) and USS Guadalcanal (LPH-7) at pier 2. In the back pool is the heavy cruiser USS Des Moines (CA-134) and numerous destroyers and frigates.