United States » Secretary Of Defense

Dick Cheney 1989–1993 James R. Schlesinger 1973–1975 Melvin Laird 1969–1973 Clark Clifford 1968–1969 Robert McNamara 1961–1968 Thomas S. Gates Jr. 1959–1961 Robert A. Lovett 1951–1953 George C. Marshall 1950–1951