#1 James Forrestal (1947-49) |
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#2 Louis Johnson (1949-50) |
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#3 George C. Marshall (1950-51) |
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#4 Robert Lovett (1951-53) |
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#5 Charles Wilson (1953-57) |
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#6 Neil McElroy (1957-59) |
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#7 Thomas Gates (1959-61) |
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#8 Robert McNamara (1961-68) |
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#9 Clark Clifford (1968-69) |
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#10 Melvin Laird (1969-73) |
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#11 Eliot Richardson (Jan-May, 1973) |
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#12 James Schlesinger (July, 1973-75) |
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#13 Donald Rumsfeld (1975-77) |
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#14 Harold Brown (1977-81) |
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#15 Caspar Weinberger (1981-87) |
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#16 Frank Carlucci (1987-89) |
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#17 Dick Cheney (1989-93) |
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#18 Les Aspin (1993-94) |
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#19 William Perry (1994-97) |
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#20 William Cohen (1997-2001) |
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#21 Donald Rumsfeld (2001-present) |
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