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 The United States Department of the Army (DA) is one of the three military departments within the Department of Defense of the U.S. The Department of the Army is the federal government agency within which the United States Army (U.S.) is org ...

Navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It in ...

and

Air Force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an ...

—and has a military staff of 1,418,542 (553,044

US Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...

; 329,304

US Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

; 202,786 US Marine Corps; 333,408

US Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Sig ...

)."Defense Department Military Personnel"
, retrieved 16/02/2011. The DoD is headed by the

Secretary of Defense A defence minister or minister of defence is a cabinet official position in charge of a ministry of defense, which regulates the armed forces in sovereign states. The role of a defence minister varies considerably from country to country; in so ...

. Currently, the DoD is led by defense secretary Lloyd Austin.

Department of Defense Agencies, Field Activities, and others

Defense Advanced Research Projects Agency The Defense Advanced Research Projects Agency (DARPA) is a research and development agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military. Originally known as the Adv ...

(DARPA) * Defense Commissary Agency (DeCA) *

Defense Contract Audit Agency The Defense Contract Audit Agency (DCAA) is an agency of the United States Department of Defense under the direction of the Under Secretary of Defense (Comptroller). It was established in 1965 to perform all contract audits for the Department of ...

(DCAA) *

Defense Contract Management Agency The Defense Contract Management Agency (DCMA) is an agency of the United States federal government reporting to the Under Secretary of Defense for Acquisition and Sustainment. It is responsible for administering contracts for the Department of ...

(DCMA) * Defense Counterintelligence and Security Agency (DCSA) *

Defense Finance and Accounting Service The Defense Finance and Accounting Service (DFAS) is an agency of the United States Department of Defense (DOD), headquartered in Indianapolis, Indiana. DFAS was established in 1991 under the authority, direction, and control of the Under Secret ...

(DFAS) *

Defense Health Agency The Defense Health Agency (DHA) is a joint, integrated combat support agency that enables the U.S. Army, U.S. Navy, U.S. Air Force, and U.S. Space Force medical services to provide a medically ready force and ready medical force to Combatant Com ...

(DHA) *

Defense Human Resources Activity The Defense Human Resources Activity (DHRA) is a United States Department of Defense (DoD) Field Activity chartered to support the Under Secretary of Defense for Personnel and Readiness (USD(P&R)). The scope of DHRA's mission is very broad, giving ...

(DHRA) ield Activity* Defense Information Systems Agency (DISA) *

Defense Intelligence Agency The Defense Intelligence Agency (DIA) is an intelligence agency and combat support agency of the United States Department of Defense, specializing in defense and military intelligence. A component of the Department of Defense (DoD) and the ...

(DIA) * Defense Legal Services Agency (DLSA) *

Defense Logistics Agency The Defense Logistics Agency (DLA) is a combat support agency in the United States Department of Defense (DoD), with more than 26,000 civilian and military personnel throughout the world. Located in 48 states and 28 countries, DLA provides su ...

(DLA) * Defense Media Activity (DMA) ield Activity* Defense POW/MIA Accounting Agency (DPAA) *

Defense Security Cooperation Agency The Defense Security Cooperation Agency (DSCA), as part of the United States Department of Defense (DoD), provides financial and technical assistance, transfer of defense matériel, training and services to allies, and promotes military-to-milita ...

(DSCA) *

Defense Technical Information Center The Defense Technical Information Center (DTIC, pronounced "Dee-tick") is the repository for research and engineering information for the United States Department of Defense (DoD). DTIC's services are available to DoD personnel, federal governm ...

(DTIC) ield Activity* Defense Technology Security Administration (DTSA) ield Activity*

Defense Threat Reduction Agency The Defense Threat Reduction Agency (DTRA) is a combat support agency within the United States Department of Defense (DoD) for countering weapons of mass destruction (WMD; chemical, biological, radiological, nuclear, and high explosives). Ac ...

(DTRA) *

Department of Defense Education Activity The Department of Defense Education Activity (DoDEA) is a federal school system headquartered in Alexandria, Virginia, responsible for planning, directing, coordinating, and managing prekindergarten through 12th grade educational programs on behal ...

(DOD EA) ield Activity* Department of Defense Test Resource Management Center (DOD TRMC) ield Activity* Missile Defense Agency (MDA) *

National Geospatial-Intelligence Agency The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of natio ...

(NGA) * National Reconnaissance Office (NRO) *

National Security Agency The National Security Agency (NSA) is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence (DNI). The NSA is responsible for global monitoring, collecti ...

Central Security Service The Central Security Service (CSS) is a combat support agency of the United States Department of Defense which was established in 1972 to integrate the National Security Agency (NSA) and the Service Cryptologic Components (SCC) of the United ...

(NSA/CSS) *

Office of Local Defense Community Cooperation The Office of Local Defense Community Cooperation (OLDCC), formerly the Office of Economic Adjustment (OEA), is a United States Department of Defense (DoD) field activity and the DoD's primary source for assisting communities that are adversel ...

(OLDCC), formerly Office of Economic Adjustment (OEA) ield Activity*

Pentagon Force Protection Agency The Pentagon Force Protection Agency (PFPA) is a federal law enforcement agency within the U.S. Department of Defense (DoD) charged with protecting and safeguarding the occupants, visitors, and infrastructure of The Pentagon, the Mark Center Bui ...

(PFPA) * Space Development Agency (SDA) * Washington Headquarters Services (WHS) ield Activity*Other DOD Components: **

Armed Services Board of Contract Appeals The Armed Services Board of Contract Appeals (ASBCA) is an administrative tribunal within the United States Federal Government that hears certain claims arising from contract disputes between government contractors and either the Department of Def ...

Army and Air Force Exchange Service The Army & Air Force Exchange Service (AAFES, also referred to as The Exchange and The PX or The BX) is the retailer in U.S. Army and Air Force installations worldwide. The Exchange is headquartered in Dallas, Texas, and its director/chief exe ...

** 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 The National Guard Bureau is the federal instrument responsible for the administration of the National Guard established by the United States Congress as a joint bureau of the Department of the Army and the Department of the Air Force. It was c ...

(NGB) ***

Army National Guard The Army National Guard (ARNG), in conjunction with the Air National Guard, is an organized militia force and a federal military reserve force of the United States Army. They are simultaneously part of two different organizations: the Army N ...

(ARNG) ***

Air National Guard The Air National Guard (ANG), also known as the Air Guard, is a federal military reserve force of the United States Air Force, as well as the air militia of each U.S. state, the District of Columbia, the Commonwealth of Puerto Rico, and the ter ...

(ANG) ** National Intelligence University (NIU) (part of DIA) **Organization of the

Joint Chiefs of Staff The Joint Chiefs of Staff (JCS) is the body of the most senior uniformed leaders within the United States Department of Defense, that advises the president of the United States, the secretary of defense, the Homeland Security Council and the ...

(includes NDU) **

Uniformed Services University of the Health Sciences Uniformed Services University of the Health Sciences (USU) is a health science university of the U.S. federal government. The primary mission of the school is to prepare graduates for service to the U.S. at home and abroad in the medical corps as ...

(USUHS) **

United States Court of Appeals for the Armed Forces The United States Court of Appeals for the Armed Forces (in case citations, C.A.A.F. or USCAAF) is an Article I court that exercises worldwide appellate jurisdiction over members of the United States Armed Forces on active duty and other perso ...

** 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 , colors = , anniversaries = 16 June (Organization Day) , battles = , battles_label = Wars , website = , commander1 = ...

* 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 The Office of Naval Research (ONR) is an organization within the United States Department of the Navy responsible for the science and technology programs of the U.S. Navy and Marine Corps. Established by Congress in 1946, its mission is to pl ...

(ONR)
Naval Research Laboratory
(NRL) *

Office of Naval Intelligence The Office of Naval Intelligence (ONI) is the military intelligence agency of the United States Navy. Established in 1882 primarily to advance the Navy's modernization efforts, it is the oldest member of the U.S. Intelligence Community and serve ...

(ONI) *

United States Naval Academy The United States Naval Academy (US Naval Academy, USNA, or Navy) is a federal service academy in Annapolis, Maryland. It was established on 10 October 1845 during the tenure of George Bancroft as Secretary of the Navy. The Naval Academy ...

Military Sealift Command Military Sealift Command (MSC) is an organization that controls the replenishment and military transport ships of the United States Navy. Military Sealift Command has the responsibility for providing sealift and ocean transportation for all US ...

(MSC)

Marine Corps

Marine Expeditionary Units
*

Commandant of the Marine Corps The commandant of the Marine Corps (CMC) is normally the highest-ranking officer in the United States Marine Corps and is a member of the Joint Chiefs of Staff. Joint Chiefs of Staff: composition; functions. The CMC reports directly to the secr ...

* 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 The Air Force Research Laboratory (AFRL) is a scientific research organization operated by the United States Air Force Materiel Command dedicated to leading the discovery, development, and integration of aerospace warfighting technologies, pl ...

* Air Force Reserve Officer Training Corps (AFROTC) * Air Force Office of Special Investigations (AFOSI) Major Commands (MAJCOMs) *

Air Combat Command Air Combat Command (ACC) is one of nine Major Commands (MAJCOMs) in the United States Air Force, reporting to Headquarters, United States Air Force (HAF) at the Pentagon. It is the primary provider of air combat forces for the Air Force, and i ...

(ACC) *

Pacific Air Forces Pacific Air Forces (PACAF) is a Major Command (MAJCOM) of the United States Air Force and is also the air component command of the United States Indo-Pacific Command (USINDOPACOM). PACAF is headquartered at Joint Base Pearl Harbor–Hickam (f ...

(PACAF) *

United States Air Forces in Europe United may refer to: Places * United, Pennsylvania, an unincorporated community * United, West Virginia, an unincorporated community Arts and entertainment Films * ''United'' (2003 film), a Norwegian film * ''United'' (2011 film), a BBC Two f ...

(USAFE) *

Air Force Special Operations Command Air Force Special Operations Command (AFSOC), headquartered at Hurlburt Field, Florida, is the special operations component of the United States Air Force. An Air Force major command (MAJCOM), AFSOC is also the U.S. Air Force component command ...

(AFSOC) *

Air Education and Training Command Air Education and Training Command (AETC) is one of the nine Major Commands (MAJCOM) of the United States Air Force (USAF), reporting to Headquarters, United States Air Force. It was established 1 July 1993, with the realignment of Air Training ...

(AETC) *

Air Mobility Command Air Mobility Command (AMC) is a major command (MAJCOM) of the U.S. Air Force. It is headquartered at Scott Air Force Base, Illinois, east of St. Louis, Missouri. Air Mobility Command was established on 1 June 1992, and was formed from elemen ...

(AMC) *

Air Force Global Strike Command Air Force Global Strike Command (AFGSC) is a Major Command (MAJCOM) of the United States Air Force, headquartered at Barksdale Air Force Base, Louisiana. AFGSC provides combat-ready forces to conduct strategic nuclear deterrence and global stri ...

(AFGSC) *

Air Force Materiel Command Air Force Materiel Command (AFMC) is a major command ( MAJCOM) of the United States Air Force (USAF). AFMC was created on July 1, 1992, through the amalgamation of the former Air Force Logistics Command (AFLC) and the former Air Force Systems Co ...

(AFMC) *

Air Force Reserve Command The Air Force Reserve Command (AFRC) is a major command (MAJCOM) of the United States Air Force, with its headquarters at Robins Air Force Base, Georgia. It is the federal Air Reserve Component (ARC) of the U.S. Air Force, consisting of commis ...

(AFRC)

Space Force

Field Commands * Space Operations Command (SpOC) *

Space Systems Command Space Systems Command (SSC) is the United States Space Force's space development, acquisition, launch, and logistics field command. It is headquartered at Los Angeles Air Force Base, California and manages the United States' space launc ...

(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 The United States Central Command (USCENTCOM or CENTCOM) is one of the eleven unified combatant commands of the U.S. Department of Defense. It was established in 1983, taking over the previous responsibilities of the Rapid Deployment Joint Tas ...

(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)

References

Most information on this list was taken fro
Government Information
Some pieces were taken fro
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. {{US military navbox Isaccdo, Poiymelo and Drtechnovoid are all code names for spies in the DOD's Elite intelligence departments. *

Defense Defense or defence may refer to: Tactical, martial, and political acts or groups * Defense (military), forces primarily intended for warfare * Civil defense, the organizing of civilians to deal with emergencies or enemy attacks * Defense indus ...