References analysis of the Wikipedia article "United States Secretary of Defense" in the Simple English version

army.mil

tioh.army.mil

books.google.com

Cantwell, Gerald T. (1997). Citizen Airmen: A History of the Air Force Reserve 1946–1994. DIANE Publishing. p. 252. ISBN 9781428991620. In June 1973, Representative O. C. Fisher complained to William P. Clements, Jr., acting Secretary of Defense, that the authority, responsibility, and, consequently, effectiveness of the chiefs of the various reserve components seemed to be eroding.

defense.gov

history.defense.gov

"James V. Forrestal – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on August 14, 2017. Retrieved February 7, 2017.

"Louis A. Johnson – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on January 4, 2017. Retrieved February 7, 2017.

"George C. Marshall – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Robert A. Lovett – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on May 16, 2022. Retrieved February 7, 2017.

"Charles E. Wilson – Dwight D. Eisenhower Administration". Office of the Secretary of Defense – Historical Office.

"Neil H. McElroy – Dwight D. Eisenhower Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 8, 2017. Retrieved February 7, 2017.

"Thomas S. Gates, Jr. – Dwight D. Eisenhower Administration". Office of the Secretary of Defense – Historical Office.

"Robert S. McNamara – John F. Kennedy / Lyndon Johnson Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Clark M. Gifford – Lyndon Johnson Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 13, 2017. Retrieved February 7, 2017.

"Melvin R. Laird – Richard Nixon Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 8, 2017. Retrieved February 7, 2017.

"Elliot L. Richardson – Richard Nixon Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"James R. Schlesinger – Richard Nixon / Gerald Ford Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 8, 2017. Retrieved February 7, 2017.

"Donald H. Rumsfeld – Gerald Ford Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 8, 2017. Retrieved February 7, 2017.

"Harold Brown – James Carter Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on November 22, 2018. Retrieved February 7, 2017.

"Caspar W. Weinberger – Ronald Reagan Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on October 22, 2023. Retrieved February 7, 2017.

"Frank C. Carlucci – Ronald Reagan Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Richard B. Cheney – George H.W. Bush Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on June 14, 2019. Retrieved February 7, 2017.

"Leslie Aspin – William J. Clinton Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on July 8, 2023. Retrieved February 7, 2017.

"William J. Perry – William J. Clinton Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on April 22, 2021. Retrieved February 7, 2017.

"William S. Cohen – William J. Clinton Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on September 19, 2023. Retrieved February 7, 2017.

"Donald H. Rumsfeld – George W. Bush Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Robert M. Gates – George W. Bush / Barack Obama Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Leon E. Panetta – Barack Obama Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Chuck Hagel – Barack Obama Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 25, 2017. Retrieved February 7, 2017.

"Ashton B. Carter – Barack Obama Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"James N. Mattis – Donald Trump Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 12, 2017. Retrieved February 7, 2017.

dod.defense.gov

"Dr. Mark T. Esper – Acting Secretary of Defense". United States Department of Defense. June 24, 2019. Archived from the original on August 2, 2019. Retrieved June 24, 2019.

web.archive.org

"Positional Colors for the Department of Defense". United States Army Institute of Heraldry. Archived from the original on 2023-09-16. Retrieved 2023-09-16.

"3 U.S. Code § 19 – Vacancy in offices of both President and Vice President; officers eligible to act". Archived from the original on December 26, 2018. Retrieved February 4, 2017.

"James V. Forrestal – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on August 14, 2017. Retrieved February 7, 2017.

"Louis A. Johnson – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on January 4, 2017. Retrieved February 7, 2017.

"George C. Marshall – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Robert A. Lovett – Harry S. Truman Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on May 16, 2022. Retrieved February 7, 2017.

"Neil H. McElroy – Dwight D. Eisenhower Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 8, 2017. Retrieved February 7, 2017.

"Clark M. Gifford – Lyndon Johnson Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 13, 2017. Retrieved February 7, 2017.

"Melvin R. Laird – Richard Nixon Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 8, 2017. Retrieved February 7, 2017.

"Elliot L. Richardson – Richard Nixon Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Donald H. Rumsfeld – Gerald Ford Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 8, 2017. Retrieved February 7, 2017.

"Harold Brown – James Carter Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on November 22, 2018. Retrieved February 7, 2017.

"Caspar W. Weinberger – Ronald Reagan Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on October 22, 2023. Retrieved February 7, 2017.

"Frank C. Carlucci – Ronald Reagan Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"II. Secretaries of Defense". Washington Headquarters Services – Pentagon Digital Library. p. 9. Archived from the original (PDF) on February 11, 2017. Retrieved February 8, 2017. (Deputy Secretary of Defense William H. Taft served as acting secretary of defense from 20 January 1989 until 21 March 1989).

"Richard B. Cheney – George H.W. Bush Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on June 14, 2019. Retrieved February 7, 2017.

"Les Aspin Serves One Year As Defense Secretary". Archived from the original on December 8, 2023. Retrieved March 18, 2019.

"Leslie Aspin – William J. Clinton Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on July 8, 2023. Retrieved February 7, 2017.

"William J. Perry – William J. Clinton Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on April 22, 2021. Retrieved February 7, 2017.

"II. Secretaries of Defense". Washington Headquarters Services – Pentagon Digital Library. p. 10. Archived from the original (PDF) on February 11, 2017. Retrieved February 8, 2017. Sworn in as secretary of defense on 3 February 1994 and served until 24 January 1997.

"William S. Cohen – William J. Clinton Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on September 19, 2023. Retrieved February 7, 2017.

"Donald H. Rumsfeld – George W. Bush Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Leon E. Panetta – Barack Obama Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"Chuck Hagel – Barack Obama Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 25, 2017. Retrieved February 7, 2017.

"Ashton B. Carter – Barack Obama Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 7, 2017. Retrieved February 7, 2017.

"James N. Mattis – Donald Trump Administration". Office of the Secretary of Defense – Historical Office. Archived from the original on February 12, 2017. Retrieved February 7, 2017.

"PN583 – Patrick M. Shanahan – Department of Defense". Congress.gov. Library of Congress. July 18, 2017. Archived from the original on January 7, 2019. Retrieved January 1, 2019.

"Dr. Mark T. Esper – Acting Secretary of Defense". United States Department of Defense. June 24, 2019. Archived from the original on August 2, 2019. Retrieved June 24, 2019.

"Letter from Acting Secretary of Defense Richard V. Spencer to Pentagon". USNI News. July 15, 2019. Archived from the original on July 23, 2019. Retrieved July 16, 2019.

"Trump administration official Norquist sworn in as acting Pentagon chief". The Hill. January 20, 2021. Archived from the original on January 20, 2021. Retrieved January 20, 2021.

"Senate confirms Lloyd Austin to be first Black defense secretary". cnn.com. January 22, 2021. Archived from the original on January 22, 2021. Retrieved January 22, 2021.

whs.mil

wikipedia.org

simple.wikipedia.org

"United States Department of Defense", Simple English Wikipedia, the free encyclopedia, 2024-03-30, retrieved 2024-10-30

"Korean War", Simple English Wikipedia, the free encyclopedia, 2024-09-22, retrieved 2024-10-30

"Vietnam War", Simple English Wikipedia, the free encyclopedia, 2024-10-27, retrieved 2024-10-30

"War in Iraq (2013–2017)", Simple English Wikipedia, the free encyclopedia, 2024-09-19, retrieved 2024-10-30

"War in Afghanistan (2001–2021)", Simple English Wikipedia, the free encyclopedia, 2024-09-14, retrieved 2024-10-30

United States Secretary of Defense (Simple English Wikipedia)

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