An official website of the United States Government 
Here's how you know

Official websites use .gov

.gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Mailing Addresses

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

Dr. William A. LaPlante

Under Secretary of Defense for Acquisition and Sustainment 3010 Defense Pentagon, Washington, DC 20301-3010

Michael J. McCord

Under Secretary of Defense Comptroller/Chief Financial Officer 1100 Defense Pentagon, Washington, DC 20301-1100

Sasha Baker

Acting Under Secretary of Defense for Policy 2000 Defense Pentagon, Washington, DC 20301-2000

Ashish S. Vazirani

Acting 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 Charles Q. Brown, Jr.

Chairman of the Joint Chiefs of Staff 9999 Joint Staff Pentagon, Washington, DC 20318-9999

Admiral Christopher W. Grady

Vice Chairman of the Joint Chiefs of Staff 9999 Joint Staff Pentagon, Washington, DC 20318-9999

Secretaries of the Armed Forces

Christine E. Wormuth

Secretary of the Army 101 Army Pentagon, Washington, DC 20310-0101

Carlos Del Toro

Secretary of the Navy 1000 Navy Pentagon, Washington, DC 20350-1000

Frank Kendall

Secretary of the Air Force 1670 Air Force Pentagon, Washington, DC 20330-1670

The Chiefs of Staff

General Randy A. George

Army Chief of Staff 200 Army Pentagon, Washington, DC 20310-0200

Admiral Lisa Franchetti

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 David W. Allvin

Air Force Chief of Staff 1670 Air Force Pentagon, Washington, DC 20330-1670

General Eric M. Smith

Commandant of the Marine Corps Headquarters, U.S. Marine Corps, 3000 Marine Corps Pentagon, Washington, DC 20350-3000

General B. Chance Saltzman

Chief of Space Operations 2020 U.S. Space Force Pentagon, STE 4E858, Washington, DC 20330-2000