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  2. United States Secretary of Defense - Wikipedia

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

    The United States secretary of defense ( SecDef) is the head of the United States Department of Defense, the executive department of the U.S. Armed Forces, and is a high-ranking member of the federal cabinet. [5] [6] [7] The secretary of defense's position of command and authority over the military is second only to that of the president of the ...

  3. Lloyd Austin - Wikipedia

    en.wikipedia.org/wiki/Lloyd_Austin

    Lloyd Austin. Lloyd James Austin III (born August 8, 1953) is a retired United States Army four-star general who has served as the 28th and current United States secretary of defense since January 22, 2021. Before retiring from the military in 2016, Austin served as the 12th commander of United States Central Command (CENTCOM), beginning in ...

  4. 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 ...

  5. The Secretary of Defense and the Chain of Command, Explained

    www.aol.com/news/secretary-defense-chain-command...

    What is the secretary of defense’s role in the chain of command? Responsibilities for the secretary of defense are laid out in Title 10 of the U.S. Code. He is “the principal assistant to the ...

  6. 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 ...

  7. 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.

  8. United States Deputy Secretary of Defense - Wikipedia

    en.wikipedia.org/wiki/United_States_Deputy...

    The deputy secretary of defense ( acronym: DepSecDef) is a statutory office ( 10 U.S.C. § 132) and the second-highest-ranking official in the Department of Defense of the United States of America. The deputy secretary is the principal civilian deputy to the secretary of defense, and is appointed by the president, with the advice and consent of ...

  9. Joint Chiefs of Staff - Wikipedia

    en.wikipedia.org/wiki/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, which advises the president of the United States, the secretary of defense, the Homeland Security Council and the National Security Council on military matters. The composition of the Joint Chiefs of Staff is defined ...