| Position | Incumbent-first name | Middle | Incumbent-last name | Rank-for military |
|---|
| Secretary of Defense | Donald | | Rumsfield | |
| Deputy Secretary of Defense | Paul | | Wolfowitz | |
| Under Secretary for Acquis., Technol. and Logis. | E | C | Aldridge | |
| Under Secretary for Policy | Franklin | D | Kramer | |
| Under Secretary, Comptroller | Dov | S | Zokheim | |
| Under Secretary for Personnel and Readiness | David | S. C. | Chu | |
| Chairman, Joint Chiefs of Staff | Henry | Hugh | Shelton | General(Army) |
| Vice Chairman, Joint Chiefs of Staff | Richard | B | Myers | General (AF) |
| Secretary of the Army | Thomas | E | White | |
| Chief of Staff, U.S. Army | Eric | | Shinseki | General |
| Secretary of the Navy | Gordon | R | England | |
| Chief of Naval Operations | Vern | | Clark | Admiral |
| Commandant of the Marine Corps | James | L | Jones | General |
| Secretary of the Air Force (Acting) | Lawrence | J | Delany | |
| Chief of Staff, U.S. Air Force | Michael | E | Ryan | General |
| Inspector General, DoD | Joseph | E | Schmitz | |
| Director, Advanced Research Projects Agency | Anthony | J | Tethev | |
| Director, Ballistic Missile Defense Organization | Ronald | T | Kadish | LGEN (AF) |
| Director, Central Imagery Office | William | F., Jr. | Lackman | |
| Director, Defense Commissary Agency | Robert | J., Jr. | Courter | |
| Director, Defense Communications Agency | | | | |
| Director, Defense Contract Audit Agency | William | H | Reed | |
| Director, Defense Contract Management Agency | Edward | M | Harrinton | BG |
| Director, Defense Finance and Accounting Service | Thomas | R | Bloom | |
| Director, Defense Information Systems Agency | Harry | D | Raduege | Lt. Gen(AF) |
| Director, Defense Intelligence Agency | Thomas | | Wilson | VADM |
| Director, Defense Security Cooperation Agency | Thomas | H | Walters | |
| Director, Defense Legal Services Agency | Judith | A | Miller | |
| Director, Defense Logistics Agency | Henry | T | Glisson | LGEN (Army) |
| Director, National Imagery & Mapping Agency | James | C | King | LGEN (Army) |
| Director, Defense Security Cooperation Agency | Michael | S | Davison | LGEN (Army) |
| Director, National Security Agency | Michael | V | Hayden | LGEN (AF) |
| Director, On-Site Inspection Agency | Robert | W | Parker | Maj. Gen. AF |
| Director, Defense Special Weapons Agency | | | | |
| Commander in Chief, Air Combat Command | John | | Loh | Gen |
| Commander in Chief, Combined Forces Command | Gary | | Luck | General |
| Commander in Chief, U.S. Central Command | Anthony | | Zinni | GEN(MC) |
| Commander in Chief, U.S. European Command | George | A | Joulwan | Gen(A) |
| Commander in Chief, U.S. Pacific Command | Joseph | C | Prueher | Admiral |
| Commander in Chief, U.S. Southern Command | | | | |
| Commander in Chief. U.S. Atlantic Command | John | | Sheehan | GEN(MC) |
| Commander in Chief, U. S. Space Command | Howell | M. III | Estes | GEN(AF) |
| Commander in Chief, U.S. Transportation Command | Walter | | Korss | GEN(AF) |
| Commander in Chief, U.S. Strategic Command | Eugene | E | Habiger | GEN(AF) |