Authors with Former United States Secretary of Defense Profession Clark Clifford former-united-states-secretary-of-defense Charles Erwin Wilson former-united-states-secretary-of-defense George C. Marshall former-united-states-secretary-of-defense Frank Carlucci former-united-states-secretary-of-defense Louis A. Johnson former-united-states-secretary-of-defense Les Aspin former-united-states-secretary-of-defense Neil H. McElroy former-united-states-secretary-of-defense James Forrestal former-united-states-secretary-of-defense James R. Schlesinger former-united-states-secretary-of-defense William Perry former-united-states-secretary-of-defense Thomas S. Gates, Jr. former-united-states-secretary-of-defense Robert A. Lovett former-united-states-secretary-of-defense Robert McNamara former-united-states-secretary-of-defense