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US Secretary of Defense


The cabinet positions of Secretary of War (renamed Secretary of the Army) and Secretary of the Navy were subordinated under a common rubric in 1947, a "National Military Establishment" (later called the Defense Department) headed by the Secretary of Defense.

17-Sep-1947 28-Mar-1949 James V. Forrestal (under Harry S. Truman)
28-Mar-1949 19-Sep-1950 Louis A. Johnson (under Harry S. Truman)
21-Sep-1950 12-Sep-1951 George C. Marshall (under Harry S. Truman)
17-Sep-1951 20-Jan-1953 Robert A. Lovett (under Harry S. Truman)
28-Jan-1953 8-Oct-1957 Charles E. Wilson (under Dwight D. Eisenhower)
9-Oct-1957 1-Dec-1959 Neil H. McElroy (under Dwight D. Eisenhower)
2-Dec-1959 20-Jan-1961 Thomas S. Gates (under Dwight D. Eisenhower)
21-Jan-1961 29-Feb-1968 Robert McNamara (under John F. Kennedy and Lyndon B. Johnson)
1-Mar-1968 20-Jan-1969 Clark Clifford (under Lyndon B. Johnson)
22-Jan-1969 29-Jan-1973 Melvin Laird (under Richard M. Nixon)
30-Jan-1973 24-May-1973 Elliot Richardson (under Richard M. Nixon)
2-Jul-1973 19-Nov-1975 James R. Schlesinger (under Richard M. Nixon and Gerald Ford)
20-Nov-1975 20-Jan-1977 Donald Rumsfeld (1st time, under Gerald Ford)
21-Jan-1977 20-Jan-1981 Harold Brown (under Jimmy Carter)
21-Jan-1981 23-Nov-1987 Caspar Weinberger (under Ronald Reagan)
23-Nov-1987 20-Jan-1989 Frank Carlucci (under Ronald Reagan)
21-Mar-1989 20-Jan-1993 Dick Cheney (under George H.W. Bush)
21-Jan-1993 3-Feb-1994 Les Aspin (under Bill Clinton)
3-Feb-1994 23-Jan-1997 William J. Perry (under Bill Clinton)
24-Jan-1997 20-Jan-2001 William Cohen (under Bill Clinton)
20-Jan-2001 18-Dec-2006 Donald Rumsfeld (2nd time, under George W. Bush)
18-Dec-2006 1-Jul-2011 Robert M. Gates (under George W. Bush and Barack Obama)
1-Jul-2011 27-Feb-2013 Leon Panetta (under Barack Obama)
27-Feb-2013 17-Feb-2015 Chuck Hagel (under Barack Obama)
17-Feb-2015 -- Ashton Carter (under Barack Obama)

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Dick Cheney

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