Office of the Secretary of Defense Lloyd J. Austin III Secretary of Defense1000 Defense Pentagon Washington, DC 20301-1000 Kathleen H. Hicks Deputy Secretary of Defense1010 Defense Pentagon Washington, DC 20301-1010 Stacy A. Cummings Performing the Duties of Under Secretary of Defense for Acquisition and Sustainment 3010 Defense Pentagon Washington, DC 20301-3010 Douglas Glenn Performing the Duties of Under Secretary of Defense Comptroller/Chief Financial Officer 1100 Defense Pentagon Washington, DC 20301-1100 Colin H. Kahl Under Secretary of Defense for Policy 2000 Defense Pentagon Washington, DC 20301-2000 Virginia Penrod Performing the Duties of Under Secretary of Defense for Personnel and Readiness 4000 Defense Pentagon Washington, DC 20301-4000
The Chairman and Vice Chairman of the Joint Chiefs of Staff General Mark A. Milley Chairman of the Joint Chiefs of Staff 9999 Joint Staff Pentagon Washington, DC 20318-9999 General John E. Hyten Vice Chairman of the Joint Chiefs of Staff 9999 Joint Staff Pentagon Washington, DC 20318-9999
Secretaries of the Armed Forces John Whitley Acting Secretary of the Army 101 Army Pentagon Washington, DC 20310-0101 Tom Harker Acting Secretary of the Navy 1000 Navy Pentagon Washington, DC 20350-1000 John Roth Acting Secretary of the Air Force 1670 Air Force Pentagon Washington, DC 20330-1670
The Chiefs of Staff General James C. McConville Army Chief of Staff 200 Army Pentagon Washington, DC 20310-0200 Admiral Michael Gilday Chief of Naval Operations 2000 Navy Pentagon Washington, DC 20350-2000 General Daniel R. Hokanson Chief, National Guard Bureau 1636 Defense Pentagon Ste 1E169 Washington, DC 20301-0001 General Charles Q. Brown Jr. Air Force Chief of Staff 1670 Air Force Pentagon Washington, DC 20330-1670 General David H. Berger Commandant of the Marine Corps Headquarters, US Marine Corps 3000 Marine Corps, Pentagon Washington, DC 20350-3000