Image
|
Name
|
Tenure
|
SecDef(s) served under
|
President(s) served under
|
File:Streuve Hensel (Assistant Secretary of the Navy).jpg |
H. Struve Hensel |
August 17, 1953 – March 4, 1954 |
Charles Erwin Wilson |
Dwight Eisenhower
|
File:Wilber Marion Brucker (cropped).jpg |
Wilber M. Brucker |
April 23, 1954 – July 20, 1955
|
File:Blank.svg |
Mansfield D. Sprague |
October 6, 1955 – February 27, 1957
|
File:Blank.svg |
Robert Dechert |
February 28, 1957 – July 15, 1959 |
Charles Erwin Wilson Neil H. McElroy
|
File:Blank.svg |
J. Vincent Burke Jr. |
September 14, 1959 – January 20, 1961 |
Neil H. McElroy Thomas S. Gates
|
File:CyrusVanceSoS.jpg |
Cyrus Vance |
January 29, 1961 – June 30, 1962 |
Robert S. McNamara |
John F. Kennedy
|
File:John T. McNaughton (cropped).jpg |
John McNaughton |
July 5, 1962 – June 25, 1964 |
John F. Kennedy Lyndon B. Johnson
|
File:Blank.svg |
Leonard Niederlehner (Acting) |
July 1, 1964 – September 19, 1966 |
Lyndon B. Johnson
|
File:Paul Warnke 1983 (cropped).jpg |
Paul Warnke |
October 3, 1966 – July 31, 1967
|
File:Blank.svg |
Leonard Niederlehner (Acting) |
August 1, 1967 – August 20, 1970 |
Robert S. McNamara Clark Clifford Melvin Laird |
Lyndon B. Johnson Richard Nixon
|
File:Nixon Contact Sheet WHPO-E1677 (cropped).jpg |
J. Fred Buzhardt |
August 20, 1970 – January 4, 1974 |
Melvin Laird Elliot Richardson James R. Schlesinger |
Richard Nixon
|
File:Blank.svg |
Leonard Niederlehner (Acting) |
May 22, 1973 – March 13, 1974 |
James R. Schlesinger
|
File:Martin Richard Hoffmann.jpg |
Martin Richard Hoffmann |
March 14, 1974 – August 5, 1975 |
Richard Nixon Gerald Ford
|
File:Blank.svg |
Leonard Niederlehner (Acting) |
August 6, 1975 – January 1, 1976 |
James R. Schlesinger Donald Rumsfeld |
Gerald Ford
|
File:Blank.svg |
Richard A. Wiley |
January 2, 1976 – January 15, 1977 |
Donald Rumsfeld
|
File:Blank.svg |
Deanne C. Siemer |
April 28, 1977 – October 15, 1979 |
Harold Brown |
Jimmy Carter
|
File:Blank.svg |
Leonard Niederlehner (Acting) |
October 15, 1979 – February 1, 1980
|
File:TogoDWest.jpg |
Togo D. West Jr. |
February 1, 1980 – January 20, 1981
|
File:Blank.svg |
Leonard Niederlehner (Acting) |
January 20, 1981 – April 1, 1981 |
Caspar Weinberger |
Ronald Reagan
|
File:William Howard Taft IV, Deptuty Secretary of Defense, official portrait.JPEG |
William Howard Taft IV |
April 2, 1981 – May 2, 1984
|
File:Portrait of Chapman Beecher Cox.jpg |
Chapman B. Cox |
May 3, 1984 – December 16, 1985
|
File:Portrait of H. Lawrence Garrett III.jpg |
Henry L. Garrett III |
February 5, 1986 – August 6, 1987
|
File:Blank.svg |
Leonard Niederlehner (Acting) |
August 7, 1987 – October 25, 1987
|
File:Portrait of Kathleen A. Buck, Air Force General Counsel DF-SC-87-03100 (6412597).jpg |
Kathleen A. Buck |
October 26, 1987 – December 30, 1989 |
Caspar Weinberger Frank Carlucci William Howard Taft IV Dick Cheney |
Ronald Reagan George H. W. Bush
|
File:Portrait of Terrence O'Donnell.jpg |
Terrence O'Donnell |
October 30, 1989 – March 6, 1992 |
Dick Cheney |
George H. W. Bush
|
File:Portrait of C. Paul Beach, Jr.jpg |
C. Paul Beach Jr. (Acting) |
March 7, 1992 – August 11, 1992
|
File:Portrait of David S. Addington, Special Assistant to Secretary of Defense.jpg |
David Addington |
August 12, 1992 – January 20, 1993
|
File:Blank.svg |
John H. McNeil (Acting) |
January 20, 1993 – May 5, 1993 |
Les Aspin |
Bill Clinton
|
File:Portrait of Jamie Gorelick, General Counsel, Department of Defense.jpg |
Jamie Gorelick |
May 5, 1993 – March 17, 1994 |
Lee Aspin William Perry
|
File:Portrait of Stephen W. Preston.jpg |
Stephen W. Preston (Acting) |
March 28, 1994 – September 28, 1994 |
William Perry
|
File:Judith Miller DoD.jpg |
Judith A. Miller |
September 29, 1994 – November 7, 1999 |
William Perry William Cohen
|
File:Portrait of Douglas A. Dworkin.jpg |
Douglas A. Dworkin |
November 7, 1999 – June 14, 2000 (Acting) June 14, 2000 – January 19, 2001 |
William Cohen
|
File:Portrait of William J. Haynes II.jpg |
William J. Haynes II |
May 24, 2001 – February 26, 2008[2] |
Donald Rumsfeld Robert Gates |
George W. Bush
|
File:Jeh Johnson official portrait 2011.jpg |
Jeh Johnson |
February 10, 2009 – December 31, 2012 |
Robert Gates Leon Panetta |
Barack Obama
|
File:Robert S. Taylor DoD.jpg |
Robert S. Taylor (Acting)[3] |
January 1, 2013 – October 25, 2013 |
Leon Panetta Chuck Hagel
|
File:Stephen W. Preston official photo.jpg |
Stephen W. Preston |
October 25, 2013 – June 2015 |
Chuck Hagel Ashton Carter
|
File:Robert S. Taylor DoD.jpg
|
Robert S. Taylor (Acting)[3]
|
June 2015 – June 14, 2016
|
Ashton Carter
|
File:Jennifer M. O'Connor DoD.jpg |
Jennifer M. O'Connor |
June 14, 2016 – January, 20 2017 |
Ashton Carter
|
File:William S. Castle official photo.jpg |
William S. Castle (Acting) |
August 2017 – July 2018 |
James Mattis
|
Donald Trump
|
File:Paul C. Ney Jr. official photo.jpg |
Paul C. Ney Jr. |
August 20, 2018 – January 20, 2021 |
James Mattis Mark Esper Christopher C. Miller (acting)
|
File:Beth George.jpg |
Beth George (Acting) |
January 20, 2021 – August 2, 2021 |
David Norquist (acting) Lloyd Austin |
Joe Biden
|
File:Caroline Krass, DOD General Counsel.jpg |
Caroline Krass |
August 2, 2021 – present |
Lloyd Austin
|