Sewell's Point
Naval Station Norfolk currently occupies Sewells Point. The base is approximately and is the largest naval base in the world.
Naval Sea Systems Command
The Naval Sea Systems Command (NAVSEA) is the largest of the United States Navy's five "systems commands," or materiel (not to be confused with "material") organizations. NAVSEA consists of four shipyards, ten "warfare centers" (two undersea and eight surface), four major shipbuilding locations and the NAVSEA headquarters, located at the Washington Navy Yard, in Washington D.C.