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Nickname: "The Quarterdeck of the Navy," recognizing its role as a ceremonial and administrative center for the Navy.

Facilities: Headquarters, Chief of Naval Operations; Regional Headquarters, Naval District Washington; Navy Installations Command; Office of the Naval Inspector General; Office of the Judge Advocate General; Military Sealift Command; Naval Computer and Telecommunications Station; Naval Facilities Engineering Command; Naval Sea Systems Command; regional Space and Naval Warfare Systems Command; Naval History and Heritage Command, including the Naval Museum; Marine Corps Institute.

Also of note: Home of the U.S. Naval Band and (until its sale in 1977) the president's yacht.

History: Authorized in 1799, making it the Navy's oldest installation, the U.S. Navy Yard since 1815 been a center for naval research and development. It was designated a National Historic Landmark in 1976. Among historically important events:

— Burned during the War of 1812 to keep it from falling into the hands of the British.

— Served as the gateway to Washington for the first Japanese diplomat to arrive in 1860.

— Ships anchored off the Navy Yard housed those arrested in President Abraham Lincoln’s assassination.

— After the Civil War, the Navy Yard became the manufacturing site for Navy ordnance, and built the heavy guns used on U.S. ships in World Wars I and II. Following World War II, it was rechristened the U.S. Naval Gun Factory.

— In 1964, after ordnance work was phased out, the Navy Yard name was restored and the facility became the home of numerous Navy offices.

Source: Commander, Naval Installations Command; U.S. Department of the Interior, McClatchy Newspapers