Defense Commissary Agency
Operates a worldwide chain of commissaries providing groceries to military personnel, retirees and their families in a safe and secure shopping environment.
Defense Contract Audit Agency
Performs all contract audits for the DoD and providing accounting and financial advice regarding DoD contracts and subcontracts.
Defense Contract Management Agency
Works directly with Defense suppliers to help ensure that DoD, Federal, and allied government supplies and services are delivered on time, at projected cost, and meet all performance requirements.
Defense Finance and Accounting Service
Delivers quality pay and financial information.
Defense Information Systems Agency
Provides information technology (IT) and communications support to the DoD and national level leaders.
Defense Intelligence Agency
Provides military intelligence to warfighters, defense policymakers and force planners, in the DoD and the Intelligence Community, in support of U.S. military planning and operations and weapon systems acquisition.
Defense Logistics Agency
Provides worldwide logistics support including supplies and acquisition support to the military services as well as several civilian agencies and foreign countries.
Defense Security Service
Secures the nation's technological base and oversees the protection of the U.S. and foreign classified information in the hands of industry.
Defense Threat Reduction Agency
Consolidates a variety of US Defense Department functions to deal more effectively with the threats posed by nuclear, chemical, or biological weapons.
Defense Technical Information Center
Serves the DoD community as the largest central resource for DoD and government-funded scientific, technical, engineering and business related information.
Defense Education Activity
Oversees all U.S. oversea schools in military bases.
Joint Personnel Recovery Agency
National Geospatial-Intelligence Agency
Manages and provides imagery and geospatial information for diverse military, civil, and international needs.
National Guard Bureau
Administers the National Guard, a reserve military force.
National Reconnaissance Office
Is in charge of designing, building, launching, and maintaining America's intelligence satellites.
National Security Agency
Leads the U.S. Government in cryptology that encompasses both Signals Intelligence (SIGINT) and Information Assurance (IA) products and services.
Defense Office of Inspector General
Responsible for conducting, supervising, monitoring and initiating audits and investigations relating to the programs and operations of the DoD.
OSD/Joint Staff Requester Service Center
Processes Freedom of Information Act (FOIA) requests for records related to the OSD/JS, including all OSD components.
Defense Health Agency
Manages the DHA health care program for active duty members and their families, retired service members and their families, National Guard/Reserve members and their families, survivors and others entitled to DoD medical care.
U.S. Air Force
Primary Air Power branch of the U.S. Armed Forces
Primary Land Power branch of the U.S. Armed Forces
Primary Sea Power branch of the U.S. Armed Forces
U.S. Marine Corps
Primary Amphibious and Expeditionary branch of the U.S. Armed Forces
U.S. Coast Guard
Primary Maritime Law Enforcement agency and a component of the Dept. of Homeland Security when not assigned to the U.S. Navy
U.S. Africa Command
Devoted solely to military relations with Africa. AFRICOM is responsible for U.S. Military relations with 54 African Countries.
U.S. Central Command
Responsible for military relations with 20 countries from Egypt and the Levant, to the Arabian Peninsula and Central and South Asia.
U.S. European Command
Responsible for military relations with all 51 European countries, including Russia, Turkey and the Caucasus nations.
U.S. Northern Command
Provides command and control of DoD homeland defense efforts and coordinates defense support of civil authorities.
U.S. Pacific Command
Area of Responsibility encompasses about half the earth's surface, stretching from the waters off the west coast of the U.S. to the western border of India, and from Antarctica to the North Pole.
U.S. Southern Command
Responsible for all U.S. military activities in South America and Central America.
U.S. Special Operations Command
The unified command for the worldwide use of Special Operations elements of the Army, Navy, and Air Force.
U.S. Strategic Command
Responsible for Strategic Deterrence and Preeminent Global Warfighters In Space and Cyberspace.
U.S. Transportation Command
Provides air, land and sea transportation for DoD.