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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 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 March 2013. [ 1 ]

  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. List of Department of Defense appointments by Joe Biden

    en.wikipedia.org/wiki/List_of_Department_of...

    Below is a list of nominations and appointments to the Department of Defense by Joe Biden, the 46th president of the United States. As of August 1, 2024, according to tracking by The Washington Post and Partnership for Public Service, 50 nominees have been confirmed, 3 nominees are being considered by the Senate, 10 positions do not have ...

  6. Robert Gates | Wikipedia

    en.wikipedia.org/wiki/Robert_Gates

    Robert Gates. Robert Michael Gates (born September 25, 1943) is an American intelligence analyst and university president who served as the 22nd United States secretary of defense from 2006 to 2011. He was appointed by President George W. Bush and was retained by President Barack Obama. Gates began his career serving as an officer in the United ...

  7. Jim Mattis | Wikipedia

    en.wikipedia.org/wiki/Jim_Mattis

    James Norman Mattis (born September 8, 1950) is an American military veteran who served as the 26th United States secretary of defense from 2017 to 2019. A retired Marine Corps four-star general, he commanded forces in the Persian Gulf War, the War in Afghanistan, and the Iraq War. Mattis was commissioned in the Marine Corps through the Naval ...

  8. Robert McNamara | Wikipedia

    en.wikipedia.org/wiki/Robert_McNamara

    Robert Strange McNamara (/ ˈmæknəmærə /; June 9, 1916 – July 6, 2009) was an American businessman and government official who served as the eighth United States secretary of defense from 1961 to 1968 under presidents John F. Kennedy and Lyndon B. Johnson at the height of the Cold War. He remains the longest-serving secretary of defense ...

  9. Christopher C. Miller | Wikipedia

    en.wikipedia.org/wiki/Christopher_C._Miller

    Christopher Charles Miller (born October 15, 1965) is an American retired United States Army Special Forces colonel who served as acting United States secretary of defense from November 9, 2020, to January 20, 2021. [1] He previously served as Director of the National Counterterrorism Center from August 10 to November 9, 2020.