To provide operational, administrative, supply services, and logistical support for chargeable, nonchargeable, and attached Marine Corps personnel assigned within the Washington Metropolitan area to Headquarters U.S. Marine Corps (HQMC), other departments and agencies of the Federal Government, Joint or Armed Service Schools and Marine Corps personnel assigned within the Washington Metropolitan Area for duty under instruction, awaiting separation, awaiting assignment or transportation, in a disciplinary status, or who are hospitalized.