List of components of the U.S. Department of Defense

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Department of Defense

Seal of the Department of Defense

Commander-in-Chief: President of the United States,
Donald Trump
Secretary of Defense: Pete Hegseth
Chairman of the Joint Chiefs of Staff: General Dan Caine, USAF
Military budget: citation CitationClass=web

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Employees: 700,000 civilian
2.8 million military (2008)

The chain of command of the U.S. Department of Defense leads from the president (as commander-in-chief) through the secretary of defense down to the newest recruits.<ref name="DoDD 5100.01">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name="DoD Org Chart">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The Department of Defense oversees a complex structure of joint command and control functions, split generally into administrative and operational chains of command. The following is an incomplete list of the various major military units, commands, and DOD offices and agencies, including civilian and military chains of command.

Office of the Secretary of Defense

Secretary of Defense

Source: OUSD-C Leadership<ref name="OUSD-C Leadership July 7, 2025">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: OUSD A&S Organizations<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

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Source: Organization: Office of the Under Secretary of Defense for Personnel and Readiness<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Under Secretary of Defense for Policy<ref name="USD for Policy">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Sources: Office of the Under Secretary of Defense for Intelligence & Security<ref name="USD Intelligence">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and Under Secretary of Defense for Intelligence and Security.

Source: Under Secretary of Defense for Research and Engineering<ref name="Research & Engineering pages">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Department of Defense Office of Inspector General<ref name="DoD OIG org chart">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Department of Defense General Counsel<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: About DoD CIO<ref name="DoD CIO">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Defense Media Activity<ref name="Defense Media">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Office of the Assistant to the Secretary of Defense for Privacy, Civil Liberties, and Transparency<ref name="Privacy etc. organization">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

  • Office of the Director of Administration and Management (DA&M)
    • Information Management & Technology (IM&T)
      • User Engagement Directorate
      • Digital Strategic Planning Directorate
      • Program Analysis and Asset Planning Directorate
    • Performance Improvement Directorate
      • Strategic Planning & Performance Management
      • Defense Management & Performance Improvement
      • Enterprise Risk Management
      • Audit Management
      • Governance, Policy, & Stakeholder Outreach
      • Defense Management Analysis
    • Pentagon Force Protection Agency (PFPA)
    • Washington Headquarters Services (WHS)

Source: Performance Improvement Officer & Director of Administration & Management<ref name="Admin and Mgmt">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

  • Defense Innovation Unit (DIU)
    • People, Finance and Management
    • Commercial Operations
    • Strategy, Policy, and National Security Partnerships
    • Military Directorate
    • Technology Platforms and Developer Ecosystem
    • Acquisitions
    • Artificial Intelligence and Machine Learning Portfolio
    • Autonomy Portfolio
    • Cyber and Telecommunications Portfolio
    • Emerging Technology Portfolio
    • Energy Portfolio
    • Human Systems Portfolio
    • Space Portfolio

Source: Defense Innovation Unit<ref name="DIU">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source for all direct reports above: OSD Organizational Structure<ref name="OSD July 2025">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Organization Overview<ref name="Commissions Website">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Organization of the Joint Chiefs of Staff and Joint Staff

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Joint Staff

  • Assistant to the Chairman
  • Senior Enlisted Advisor to the Chairman (SEAC)
  • Joint Staff Inspector General
  • Director, Joint Staff
    • Manpower and Personnel (J-1)
    • Joint Staff Intelligence (J-2)
    • Operations (J-3)
    • Logistics (J-4)
    • Strategy, Plans and Policy (J-5)
    • Command, Control, Communications, & Computers/Cyber (J-6)
    • Joint Force Development (J-7)
    • Force Structure Resources and Assessment (J-8)
    • Directorate of Management

Source: The Joint Staff<ref name="Joint Chiefs">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Joint Agencies

Military Departments

Department of the Army

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Army Secretariat

Source: Army Secretariat<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

The Army Staff

Source: Headquarters, Department of the Army<ref name="Army HQ">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Army Commands (ACOM)

Source: Who We Are<ref name="Army Futures">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: AMC Major Subordinate Commands<ref name="Materiel Command">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Sources:

Museums<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Army University Organizational Structure<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

U.S. Army Training and Doctrine Command<ref name="TRADOC">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Army Service Component Commands (ASCC)

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Direct Reporting Units (DRU)

Source: Organization<ref name="ATEC">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Major Subordinate Commands<ref name="INSCOM">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Our Mission<ref name="Washington">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Locations<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Source: Organization: Understanding the Army's Structure<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Department of the Navy

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Source: Organizations<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

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Source: Navy<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Marine Corps Headquarters

Sources:

Director, Marine Corps Staff<ref name="Marines HQ">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Training and Education Command<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Department of the Air Force

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Office of the Secretary of the Air Force

Air Staff

Air Staff Organizational Chart

Space Staff

Badge of the Space Staff

Commands

Unified combatant commands: Functional

Cyber Command (USCYBERCOM)

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Source: Our Service Cyber Partners<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Special Operations Command (USSOCOM)

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Source: Enterprise<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Strategic Command (USSTRATCOM)

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Order of battle

Source: About USSTRATCOM<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Transportation Command (USTRANSCOM)

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Order of battle

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Source: USTRANSCOM<ref name="USTRANSCOM">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>


Unified combatant commands: Geographic

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Africa Command (USAFRICOM)

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Source: United States Africa Command<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Central Command (USCENTCOM)

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Source: Unified Commands, CENTCOM & Components<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

European Command (USEUCOM)

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Order of battle

Source: Our Forces<ref name="USEUCOM Our Forces">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Northern Command (USNORTHCOM)

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}}

Order of battle

Initiatives

  • Homeland Defense Academic Symposium
  • North American Defense and Security Academic Alliance (NADSAA)
  • Women, Peace and Security (WPS)

Source: Our Story<ref name="Northern Command">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Indo-Pacific Command (USINDOPACOM)

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Order of battle

Source: USINDOPACOM Components<ref name="USINDOPACOM">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Southern Command (USSOUTHCOM)

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}}

Direct Reporting Units

Source: About us<ref name="About Us SOUTHCOM">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Space Command (USSPACECOM)

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}}

Source: Warfighting Units<ref name="Space Command">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Service component commands

Army Forces Command (FORSCOM)

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Air Force Air Combat Command (ACC) (Langley AFB, VA)

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Fleet Forces Command (USFFC) (Norfolk NB, VA)

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  • 2nd Fleet (NB Norfolk, VA)
    • Task Force 20 (2nd Fleet Battle Force)
    • Task Force 21 (2nd Fleet Patrol Reconnaissance Force) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
    • Task Force 22 (2nd Fleet Amphibious Force) / Amphibious Group 2 (PHIBGRU 2) (NB Norfolk, VA)
      • Kearsarge Expeditionary Strike Group / Expeditionary Strike Group 6 / Amphibious Squadron 8 (PHIBRON 8) (Template:USS) (NB Norfolk, VA (Deployed))
      • Saipan Expeditionary Strike Group / Expeditionary Strike Group 4 / Amphibious Squadron 2 (PHIBRON 2) (Template:USS) (NB Norfolk, VA (Deployed))
      • Wasp Expeditionary Strike Group / Expeditionary Strike Group 2 / Amphibious Squadron 4 (PHIBRON 4) (Template:USS) (NB Norfolk, VA (Post-Deployment))
      • Bataan Expeditionary Strike Group (Template:USS) (NAB Little Creek, VA (Intermediate Training))
      • Naval Coastal Warfare Group Two (Williamsburg, VA)
      • Tactical Air Control Group 2 (TACGRU 2) (NAB Little Creek, VA)
      • Naval Beach Group 2 (NAVBEACHGRU 2) (NB Norfolk, VA?)
    • Task Force 23 (2nd Fleet Landing Force)
    • Task Force 24 (2nd Fleet ASW Force)
    • Task Force 25 (2nd Fleet Mobile Logistics Support Force) / Combat Logistics Squadron 2 (LOGRON 2) (NB Norfolk, VA)
    • Task Force 26 (2nd Fleet Patrol Air Force) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
    • Task Force 28 (2nd Fleet Caribbean Contingency Force) (NS Mayport, FL)
    • Carrier Group 4 (CARGRU 4) / Carrier Striking Force (Battle Group Training) (NB Norfolk, VA)
  • Task Force 40 / Naval Surface Force Atlantic Fleet (NAVSURFLANT) (NB Norfolk, VA)
    • Combat Logistics Squadron 2 (COMLOGRON 2) (NWS Earle, NJ)
  • Task Force 41 / Naval Air Force Atlantic Fleet (NAVAIRLANT) (NAS Oceana, VA)
  • Task Force 42 / Naval Submarine Force Atlantic Fleet (NAVSUBLANT) (NB Norfolk, VA)
    • Submarine Group 2 (SUBGRU 2) (NSB New London, CT)
      • Naval Submarine Support Center (NB Norfolk, VA)
  • Task Force 43 (Training Command Atlantic Fleet?)
  • Task Force 44 (Coast Guard Force Atlantic Fleet) / Coast Guard Atlantic Area (Portsmouth, VA)
  • Task Force 45 / Fleet Marine Forces Atlantic (MARFORLANT) (Norfolk NB, VA)
  • Task Force 46 (Mine Warfare Command Atlantic Fleet (MINEWARCOM)) (Template:USS) (NS Ingleside, TX)
  • Task Force 48 (Naval Construction Battalions Atlantic Fleet) (NAB Little Creek, VA)
  • Task Force 80 (Naval Patrol and Protection of Shipping Atlantic Fleet)
  • Task Force 81 (Sea Control and Surveillance Force Atlantic Fleet) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
  • Task Force 82 (Amphibious Task Force)
  • Task Force 83 (Landing Force (II Marine Expeditionary Force (II MEF)) (Camp Lejeune, NC)
  • Task Force 84 (ASW Force Atlantic Fleet) / Naval Submarine Force Atlantic Fleet (NAVSUBLANT) (NB Norfolk, VA)
  • Task Force 85 (Mobile Logistics Support Force Atlantic Fleet) / Combat Logistics Squadron 2 (LOGRON 2) (NB Norfolk, VA)
  • Task Force 86 (Patrol Air Force Atlantic Fleet) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
    • Patrol and Reconnaissance Wing 5 (PATRECONWING 5) (NAS Brunswick, ME)
    • Patrol and Reconnaissance Wing 11 (PATRECONWING 11) (NAS Jacksonville, FL)
    • Reserve Patrol Wing (RESPATWING) (NAS Oceana, VA)
  • Task Force 87 (Tactical Development and Evaluation and Transit Force Atlantic Fleet)
  • Task Force 88 (Training Force Atlantic Fleet) (NB Norfolk, VA)
  • Task Force 89 (Maritime Defense Zone Atlantic Fleet) (USCGS Portsmouth, VA)
  • Task Force 125 (Naval Surface Group 2 (NAVSURFGRU 2)) (NS Mayport, FL)
  • Task Force 137 (Naval Forces Eastern Atlantic) (Naples, Italy)
  • Task Force 138 (Naval Forces South Atlantic)
  • Task Force 139 (Multilateral Special Operations Force)
  • Task Force 142 (Operational Test and Evaluation Force) (NB Norfolk, VA)

Marine Corps Forces Command (COMMARFORCOM) (Norfolk NB, VA)

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U.S. Forces Azores (USAFORAZ) (Lajes Field, Azores)

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Source: Combatant Commands<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

See also

References

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Template:Unified Combatant Command of the United States armed forces Template:US military navbox

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