D 1.1: Department of Defense (1949- )
D 2.1: Defense Media Activity (1977- )
D 3.1: Publications Relating to Industrial Mobilization and Security (1953-?)
D 4.1: Publications Relating to Research and Development (1953-?)
D 5.1: Joint Chiefs of Staff (1949- )
D 5.102: Defense Information Systems Agency (1960- )
D 5.201: Defense Intelligence Agency (1961- )
D 5.301: National Geospatial-Intelligence Agency (1972- )
D 5.401: National Defense University (1977- )
D 6.1: Office of Public Affairs (1962- )
D 7.1: Defense Logistics Agency (1977- )
D 8.1: Armed Forces Medical Library (1952-1956)
D 9.1: North Atlantic Treaty Organization (1949-?)
D 10.1: Defense Technical Information Center (1969- )
D 11.1: Armed Services Petroleum Purchasing Agency (1949-1959)
D 12.1: National Guard Bureau (1958- )
D 13.1: Office of Civil Defense (1961-1964)
D 14.1: Defense Civil Preparedness Agency (1972-1979)
D 15.1: Defense Threat Reduction Agency (1959- )
D 101.1: Department of the Army (1949- )
D 102.1: Adjutant General Directorate (1949- )
D 103.1: Corps of Engineers (1949- )
D 104.1: Army Medical Department (1950- )
D 105.1: Army Ordnance Corps (1950- )
D 106.1: Office of the Quartermaster General (1949- )
D 107.1: Troop Information and Education Division (1949-1954)
D 108.1: Office of Judge Advocate General (1949- )
D 108.101: Legal Services Agency (1978-?)
D 109.1: Military Academy West Point (1949- )
D 110.1: Army Command and General Staff College (1949- )
D 111.1: Army Communications-Electronics Command (1968- )
D 112.1: National Guard Bureau (1949-1958)
D 113.1: Panama Canal (1949-1950)
D 114.1: Center of Military History (1974- )
D 116.1: Chemical Corps (1918- )
D 117.1: U.S. Army Air Mobility Research and Development Command (1968-?)
D 118.1: Office of Personnel Operations (1949-?)
D 119.1: Office of Civil Defense (1964-1972)
D 120.1: Office of Provost Marshal General (1969-1974)
D 201.1: Department of the Navy (1949- )
D 202.1: Naval Air Systems Command (1966- )
D 203.1: Naval Oceanographic Service (1962-2000)
D 204.1: Office of Civilian Personnel Policy (1966- )
D 205.1: Office of Judge Advocate General (1949- )
D 206.1: Bureau of Medicine and Surgery (1949- )
D 207.1: Office of Naval Operations (1949- )
D 207.101: Naval Technical Training Command (1971-?)
D 207.201: Naval Education and Training Command (1972- )
D 207.301: Chief of Naval Reserve (1978- )
D 207.402: Naval Doctrine Command (1993-1999)
D 208.1: Bureau of Naval Personnel (1949- )
D 208.101: Naval Academy (1845- )
D 208.201: Naval War College (1884- )
D 209.1: Naval Facilities Engineering Command (1966- )
D 210.1: Office of Naval Research (1949- )
D 210.101: Naval Ocean Research and Development Activity
D 211.1: Naval Sea Systems Command (1974- )
D 212.1: Naval Supply Systems Command (1966- )
D 213.1: Naval Observatory (1949- )
D 214.1: Marine Corps (1949- )
D 215.1: Naval Ordnance Systems Command (1966-1974)
D 216.1: Military Sealift Command (1970- )
D 217.1: Bureau of Naval Weapons (1959-1966)
D 218.1: Naval Meteorology and Oceanography Command (1967- )
D 219.1: Space and Naval Warfare Systems Command (1968- )
D 220.1: Naval Weather Service Command (1968-?)
D 221.1: Naval Data Automation Command (1980-1992)
D 221.2: Naval History and Heritage Command
D 301.1: Department of the Air Force (1949- )
D 302.1: Office of Judge Advocate General (1949- )
D 303.1: Administrative Services Directorate (1958-?)
D 304.1: Surgeon General of the Air Force (1949- )
D 305.1: Air Force Academy (1954- )
D 306.1: Inspector General of Air Force (1956- )
