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  2. United States Department of Defense - Wikipedia

    en.wikipedia.org/wiki/United_States_Department...

    The United States Department of Defense (DoD, [2] USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the U.S. government directly related to national security and the United States Armed Forces.

  3. Organizational structure of the United States Department of ...

    en.wikipedia.org/wiki/Organizational_structure...

    The Pentagon, headquarters of the United States Department of Defense.. The United States Department of Defense (DoD) has a complex organizational structure.It includes the Army, Navy, the Marine Corps, Air Force, Space Force, the Unified combatant commands, U.S. elements of multinational commands (such as NATO and NORAD), as well as non-combat agencies such as the Defense Intelligence Agency ...

  4. List of U.S. Department of Defense agencies - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._Department_of...

    DoD Seal. 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.

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

    en.wikipedia.org/wiki/List_of_components_of_the...

    The chain of command leads from the president (as commander-in-chief) through the secretary of defense down to the newest recruits. [2] [3] The United States Armed Forces are organized through the United States Department of Defense, which oversees a complex structure of joint command and control functions with many units reporting to various commanding officers.

  6. United States Secretary of Defense - Wikipedia

    en.wikipedia.org/wiki/United_States_Secretary_of...

    The Department of Defense is composed of the Office of the Secretary of Defense (OSD), the Joint Chiefs of Staff (JCS) and the Joint Staff (JS), Office of the Inspector General (DODIG), the Combatant Commands, the Military Departments (Department of the Army (DA), Department of the Navy (DON) & Department of the Air Force (DAF)), the Defense ...

  7. Office of the Secretary of Defense - Wikipedia

    en.wikipedia.org/wiki/Office_of_the_Secretary_of...

    The Office of the Secretary of Defense (OSD) is a headquarters-level staff of the United States Department of Defense.It is the principal civilian staff element of the U.S. Secretary of Defense, and it assists the Secretary in carrying out authority, direction and control of the Department of Defense in the exercise of policy development, planning, resource management, fiscal, and program ...

  8. Fourth Estate (Department of Defense) - Wikipedia

    en.wikipedia.org/wiki/Fourth_Estate_(Department...

    the Defense Threat Reduction Agency (DTRA) the Office of Economic Adjustment . Fourth Estate entities are all organizational entities in DoD that are not in the military departments, IC agencies, or combatant commands.

  9. United States House Committee on Armed Services - Wikipedia

    en.wikipedia.org/wiki/United_States_House...

    It is responsible for funding and oversight of the Department of Defense (DoD) and the United States Armed Forces, as well as substantial portions of the Department of Energy. Its regular legislative product is the National Defense Authorization Act, which has been passed by Congress and signed into law each year since 1962. [2]