United States » Secretary Of Defense
George C. Marshall
1950-09-21 - 1951-09-12
Robert A. Lovett
1951-09-17 - 1953-01-20
Thomas S. Gates Jr.
1959-12-02 - 1961-01-20
Robert McNamara
1961-01-21 - 1968-02-29
Clark Clifford
1968-03-01 - 1969-01-20
Melvin Laird
1969-01-22 - 1973-01-29
James R. Schlesinger
1973-07-02 - 1975-11-19
Dick Cheney
1989-03-21 - 1993-01-20