List of U.S. Department of Defense agencies

This is a partial 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).^[1] The DoD is headed by the Secretary of Defense. Currently, the DoD is led by defense secretary Lloyd Austin.

Department of Defense Agencies, Field Activities, and others

• Defense Advanced Research Projects Agency (DARPA)
• Defense Commissary Agency (DeCA)
• Defense Contract Audit Agency(DCAA)
• Defense Contract Management Agency (DCMA)
• Defense Counterintelligence and Security Agency (DCSA)
• Defense Finance and Accounting Service (DFAS)
• Defense Health Agency (DHA)
• Defense Human Resources Activity (DHRA) [Field Activity]
• Defense Information Systems Agency (DISA)
• Defense Intelligence Agency (DIA)
• Defense Legal Services Agency (DLSA)
• Defense Logistics Agency (DLA)
• Defense Media Activity (DMA) [Field Activity]
• Defense POW/MIA Accounting Agency (DPAA)
• Defense Security Cooperation Agency (DSCA)
• Defense Technical Information Center (DTIC) [Field Activity]
• Defense Technology Security Administration (DTSA) [Field Activity]
• Defense Threat Reduction Agency (DTRA)
• Department of Defense Education Activity (DOD EA) [Field Activity]
• Department of Defense Test Resource Management Center (DOD TRMC) [Field Activity]
• Missile Defense Agency (MDA)
• National Geospatial-Intelligence Agency (NGA)
• National Reconnaissance Office (NRO)
• National Security Agency/Central Security Service (NSA/CSS)
• Office of Local Defense Community Cooperation (OLDCC), formerly Office of Economic Adjustment (OEA) [Field Activity]
• Pentagon Force Protection Agency (PFPA)
• Washington Headquarters Services (WHS) [Field Activity]
• Other DOD Components:
  • Armed Services Board of Contract Appeals
  • Army and Air Force Exchange Service
  • Defense Acquisition University (DAU)
  • Defense Criminal Investigative Service (DCIS) (component of DOD Office of Inspector General)
  • Joint Personnel Recovery Agency (a Chairman's Controlled Activity)
  • Military Postal Service Agency
  • National Assessment Group (NAG)
  • National Defense University (NDU)
  • National Guard Bureau (NGB)
    • Army National Guard (ARNG)
    • Air National Guard (ANG)
  • National Intelligence University (NIU) (part of DIA)
  • Organization of the Joint Chiefs of Staff (includes NDU)
  • Uniformed Services University of the Health Sciences (USUHS)
  • United States Court of Appeals for the Armed Forces
  • United States Military Entrance Processing Command (USMEPCOM)
  • Electromagnetic Spectrum Operations Cross Functional Team (EMSO CFT)
  • Close Combat Lethality Task Force (CCLTF)
  • Protecting Critical Technology Task Force (PCTTF)

Department of the Army

• U.S. Army Criminal Investigation Division (CID)
• 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)

Army Corps of Engineers: 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)

Army Corps of Engineers: Laboratories

• Cold Regions Research and Engineering Laboratory (CECRL)
• Construction Engineering Research Laboratory (CECER)
• Waterways Experiment Station (CEWES)
• Topographic Engineering Center (CETEC)

Department of the Navy

• Naval Criminal Investigative Service (NCIS)
• United States Marine Corps Criminal Investigation Division (USMC CID)

Navy

• Office of Naval Research (ONR)
• Naval Research Laboratory (NRL)
• Office of Naval Intelligence (ONI)
• United States Naval Academy
• Military Sealift Command (MSC)

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

• Air Force Research Laboratory
• Air Force Reserve Officer Training Corps (AFROTC)
• Air Force Office of Special Investigations (AFOSI)

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)

Space Force

Field Commands

• Space Operations Command (SpOC)
• Space Systems Command (SSC)
• Space Training and Readiness Command (STARCOM)

Unified Combatant Commands

The United States has eleven Combatant Commands (COCOM); seven Geographical Combatant Commands (GCC) & four Functional Combatant Commands (FCC).

GCCs:

• U.S. Africa Command (USAFRICOM)
• U.S. Central Command (USCENTCOM)
• U.S. European Command (USEUCOM)
• U.S. Indo-Pacific Command (USINDOPACOM)
• U.S. Northern Command (USNORTHCOM)
• U.S. Southern Command (USSOUTHCOM)
• U.S. Space Command (USSPACECOM)

FCCs:

• U.S. Cyber Command (USCYBERCOM)
• U.S. Special Operations Command (USSOCOM)
• U.S. Strategic Command (USSTRATCOM)
• U.S. Transportation Command (USTRANSCOM)

See also

• Combat support agency
• United States Department of Defense
• United States Unified Combatant Commands
• Fourth Estate (Department of Defense)

References

Most information on this list was taken from Government Information. Some pieces were taken from USA.gov.

It's important to note that the DOD does not directly control any federal agencies working domestically, for example the CIA is an intelligence agency that works on foreign territory.

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United States Department of Defense

• Headquarters: The Pentagon

• Lloyd Austin, Secretary of Defense
• Kathleen Hicks, Deputy Secretary of Defense

Office of the Secretary of Defense (including Defense Agencies and DoD Field Activities)

Deputy Secretary of Defense Deputy's Advisory Working Group Office of Net Assessment Special Access Program Oversight Committee Under Secretary of Defense for Acquisition and Sustainment Defense Contract Management Agency Defense Logistics Agency Defense Threat Reduction Agency Office of Economic Adjustment Defense Acquisition University Defense Acquisition Board Defense Microelectronics Activity Under Secretary of Defense for Research and Engineering Defense Advanced Research Projects Agency Defense Innovation Unit Defense Technical Information Center Department of Defense Test Resource Management Center Missile Defense Agency Under Secretary of Defense for Policy Defense Security Cooperation Agency Defense POW/MIA Accounting Agency Defense Policy Board Advisory Committee Under Secretary of Defense (Comptroller) Defense Contract Audit Agency Defense Finance and Accounting Service Under Secretary of Defense for Personnel and Readiness Defense Commissary Agency Department of Defense Education Activity Defense Human Resources Activity Defense Activity for Non-Traditional Education Support Defense Equal Opportunity Management Institute Defense Travel Management Office Defense Civilian Personnel Advisory Service Defense Health Agency Uniformed Services University of the Health Sciences Under Secretary of Defense for Intelligence Defense Intelligence Agency Defense Counterintelligence and Security Agency Defense Information Systems Agency (White House Communications Agency) National Geospatial-Intelligence Agency National Reconnaissance Office National Security Agency/Central Security Service (Director/Chief) Assistant to the Secretary of Defense for Public Affairs Defense Media Activity (American Forces Press Service, American Forces Radio and Television Service, Stars and Stripes, The Pentagon Channel) General Counsel of the Department of Defense Defense Legal Services Agency (Office of Military Commissions) Chief Management Officer of the Department of Defense Pentagon Force Protection Agency Washington Headquarters Services (White House Military Office)

Military Departments

Department of the Army Secretary of the Army The Secretariat: Under Secretary of the Army Assistant Secretary for Acquisition, Logistics, and Technology Assistant Secretary for Civil Works Assistant Secretary (Financial Management and Comptroller) Assistant Secretary of the Army for Installations, Energy and Environment Assistant Secretary of the Army for Manpower and Reserve Affairs General Counsel of the Army The Administrative Assistant The Army Staff: Chief of Staff of the Army Vice Chief of Staff of the Army Sergeant Major of the Army Deputy Chief of Staff G-8 Chief of Chaplains Judge Advocate General Provost Marshal General Surgeon General U.S. Army field organizations: see Structure of the United States Army Department of the Navy Secretary of the Navy The Secretariat: Under Secretary of the Navy Assistant Secretary of the Navy (Financial Management and Comptroller) Assistant Secretary of the Navy (Installations and Environment) Assistant Secretary of the Navy (Manpower and Reserve Affairs) Assistant Secretary of the Navy (Research, Development and Acquisitions) General Counsel of the Navy Judge Advocate General Naval Criminal Investigative Service Naval Inspector General Headquarters Marine Corps: Commandant of the Marine Corps Assistant Commandant of the Marine Corps Sergeant Major of the Marine Corps Chaplain U.S. Marine Corps field organizations: see Organization of the United States Marine Corps Office of the Chief of Naval Operations: Chief of Naval Operations Vice Chief of Naval Operations Master Chief Petty Officer of the Navy Director of Naval Reactors Chief of Chaplains Chief of Naval Personnel Surgeon General United States Navy field organizations: see Structure of the United States Navy Department of the Air Force Secretary of the Air Force The Secretariat: Under Secretary of the Air Force Assistant Secretary of the Air Force (Acquisition) Assistant Secretary of the Air Force (Financial Management & Comptroller) Assistant Secretary of the Air Force (Installations, Environment & Logistics) Assistant Secretary of the Air Force (Manpower & Reserve Affairs) General Counsel of the Department of the Air Force Air Force Office of Special Investigations The Air Staff: Chief of Staff of the Air Force Vice Chief of Staff of the Air Force Chief Master Sergeant of the Air Force Chief of Chaplains Chief of Safety Chief Scientist Judge Advocate General Surgeon General U.S. Air Force field organizations: Major Commands Direct Reporting Units Field Operating Agencies Space Staff: Chief of Space Operations United States Space Force field organizations

Joint Chiefs of Staff
Chairman of the Joint Chiefs of Staff Vice Chairman of the Joint Chiefs of Staff Senior Enlisted Advisor to the Chairman Joint Requirements Oversight Council Director of the Joint Staff Joint Staff National Military Command Center Alternate National Military Command Center National Defense University Joint Personnel Recovery Agency

Combatant Commands
Africa Command Central Command European Command Northern Command Indo-Pacific Command Southern Command Space Command Cyber Command Special Operations Command Strategic Command Transportation Command

National Guard Bureau
Chief of the National Guard Bureau Air National Guard Army National Guard

Office of the Inspector General
Defense Criminal Investigative Service

Isaccdo, Poiymelo and Drtechnovoid are all code names for spies in the DOD's Elite intelligence departments.