List of U.S. Department of Defense agencies

Updated on Sep 22, 2024

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This is a list of Agencies under the United States Department of Defense (DoD) which was formerly and shortly known as the National Military Establishment. Its main responsibilities are to control the Armed Forces of the United States. The Department was established in 1947 and is currently divided into three major Departments—the Department of the Army, Navy and Air Force—and has a military staff of 1,418,542 (553,044 US Army; 329,304 US Navy; 202,786 US Marine Corps; 333,408 US Air Force). The DoD is headed by the Secretary of Defense. The current defense secretary is General James Mattis.

Department of Defense Agencies, Field Activities, and others

Defense Advanced Research Projects Agency (DARPA)

Defense Commissary Agency (DeCA)

Defense Finance and Accounting Service (DFAS)

Defense Health Agency (DHA)

TRICARE Management Activity (TCMA)

Defense Information Systems Agency (DISA)

Defense Intelligence Agency (DIA)

Defense Legal Services Agency

Defense Logistics Agency (DLA)

Defense Media Activity (DMA)

Defense Security Cooperation Agency (DSCA)

Defense Security Service (DSS)

Defense Technical Information Center (DTIC)

Defense Threat Reduction Agency (DTRA)

Defense POW/MIA Accounting Agency (DPAA)

Missile Defense Agency (MDA)

Washington Headquarters Services

National Geospatial-Intelligence Agency (NGA)

National Guard Bureau (NGB)

Army National Guard (ARNG)

Air National Guard (ANG)

U.S. Military Academy (USMA)

National Reconnaissance Office (NRO)

National Security Agency (NSA)

Central Security Service (CSS)

Department of the Army

U.S. Army Corps of Engineers

Regional Headquarters

Great Lakes Region

Missouri River Regional Headquarters (CENWD-MR) (Former Missouri River Division)

North Pacific Regional Headquarters (CENWD-NP)(Former North Pacific Division)

Army Digitization Office (ADO)

Army Medical Department (AMEDD)

Army Research Laboratory (ARL)

Army Review Boards Agency (ARBA)

U.S. Army Financial Management

White Sands Missile Range (WSMR)

Divisions

Great Lakes and Ohio River Division (CELRD)

Mississippi Valley Division (CEMVD)

North Atlantic Division (CENAD)

Northwestern Division (CENWD)

Pacific Ocean Division (CEPOD)

South Atlantic Division (CESAD)

South Pacific Division (CESPD)

Southwestern Division (CESWD)

Laboratories

Cold Regions Research and Engineering Laboratory (CECRL)

Construction Engineering Research Laboratory (CECER)

Waterways Experiment Station (CEWES)

Topographic Engineering Center (CETEC)

Navy

Office of Naval Research (ONR)

Information Network Project Office (INPO)

Office of Naval Intelligence (ONI)

United States Naval Academy

Marine Corps

Marine Expeditionary Units

Commandant of the Marine Corps

Assistant Commandant of the Marine Corps

Sergeant Major of the Marine Corps

Headquarters, United States Marine Corps

Department of the Air Force

Air Force Research Laboratory

Air Force Reserve Officer Training Corps (AFROTC)

U.S. Air Force Office of Special Investigations (OSI)

Major Commands (MAJCOMs)

Air Combat Command (ACC)

Pacific Air Forces (PACAF)

United States Air Forces in Europe (USAFE)

Air Force Special Operations Command (AFSOC)

Air Education and Training Command (AETC)

Air Mobility Command (AMC)

Air Force Global Strike Command (AFGSC)

Air Force Materiel Command (AFMC)

Air Force Reserve Command (AFRC)

Air Force Space Command (AFSPC)

Unified Military Commands

The United States has nine Combatant Commands.

U.S. Africa Command (USAFRICOM)

U.S. Central Command (USCENTCOM)

U.S. European Command (USEUCOM)

U.S. Northern Command (USNORTHCOM)

U.S. Pacific Command (USPACOM)

U.S. Special Operations Command (USSOCOM)

U.S. Southern Command (USSOUTHCOM)

U.S. Strategic Command (USSTRATCOM)

U.S. Transportation Command (USTRANSCOM)

References

List of U.S. Department of Defense agencies Wikipedia

(Text) CC BY-SA

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