The United States Army Military District of Washington (MDW) is one of nineteen major commands of the United States Army. Its headquarters are located at Fort Lesley J. McNair in Washington, D.C. The missions of the units in the Military District of Washington include ceremonial tasks as well as a combat role in the defense of the National Capital Region. Besides Fort McNair, the following installations are included under the umbrella of the MDW's command: * Fort Myer, Virginia * Fort Belvoir, Virginia * Fort A.P. Hill, Virginia * Fort Meade, Maryland * Fort Hamilton, New York