United States Secretary of Defense (original ) (raw )The United States Secretary of Defense is the head of the United States Department of Defense concerned with the armed services and military matters. The Secretary is a member of the President's Cabinet .
This position was created in 1947, when the Navy, Army, and newly created Air Force were merged into the new Department of Defense. In the same massive reorganization, the Secretary of the Navy was changed to a non-Cabinet position placed under the Secretary of Defense and the Secretary of War was replaced by the Secretary of the Army , also a non-Cabinet position under the Secretary of Defense.
Secretaries of Defense
Name
Term of Office
President(s) served under
James V. Forrestal
September 17 , 1947 - March 28 , 1949
Harry S. Truman
Louis A. Johnson
March 28 , 1949 - September 19 , 1950
Harry S. Truman
George C. Marshall
September 21 , 1950 - September 12 , 1951
Harry S. Truman
Robert A. Lovett
September 17 , 1951 - January 20 , 1953
Harry S. Truman
Charles E. Wilson
January 28 , 1953 - October 8 , 1957
Dwight D. Eisenhower
Neil H. McElroy
October 9 , 1957 - December 1 , 1959
Dwight D. Eisenhower
Thomas S. Gates
December 2 , 1959 - January 20 , 1961
Dwight D. Eisenhower
Robert McNamara
January 21 , 1961 - February 29 , 1968
John F. Kennedy , Lyndon Johnson
Clark Clifford
March 1 , 1968 - January 20 , 1969
Lyndon Johnson
Melvin Laird
January 22 , 1969 - January 29 , 1973
Richard Nixon
Elliot L. Richardson
January 30 , 1973 - May 24 , 1973
Richard Nixon
James R. Schlesinger
July 2 , 1973 - November 19 , 1975
Richard Nixon , Gerald Ford
Donald H. Rumsfeld (1st time)
November 20 , 1975 - January 20 , 1977
Gerald Ford
Harold Brown
January 21 , 1977 - January 20 , 1981
Jimmy Carter
Caspar W. Weinberger
January 21 , 1981 - November 23 , 1987
Ronald Reagan
Frank C. Carlucci
November 23 , 1987 - January 20 , 1989
Ronald Reagan
Richard B. Cheney
March 21 , 1989 - January 20 , 1993
George H. W. Bush
Les Aspin
January 21 , 1993 - February 3 , 1994
Bill Clinton
William J. Perry
February 3 , 1994 - January 23 , 1997
Bill Clinton
William S. Cohen
January 24 , 1997 - January 20 , 2001
Bill Clinton
Donald H. Rumsfeld (2nd time)
January 20 , 2001 - present
George W. Bush
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