Frank Carlucci Frank Carlucci Frank Charles Carlucci III (October 18, 1930 – June 3, 2018) was an American politician and diplomat who served as the United States Secretary of Defense from 1987 to 1989 in the administration of President Ronald Reagan. Carlucci served in a variety of senior-level governmental positions, including Director of the Office of Economic Opportunity in the Richard Nixon administration, Deputy Director of the CIA in the Jimmy Carter administration, and Deputy Secretary of Defense and National Security Advisor in the Reagan administration. Carlucci was born in Scranton, Pennsylvania, the son of Roxanne (née Bacon) and Frank Charles Carlucci,
United States Secretary of Defense In of 1 March 2010, President Barack Obama modified the line of succession regarding who would act as Secretary of Defense in the event of a vacancy or incapacitation, thus reversing the changes made by President George W. Bush in as to the relative positions of the Secretaries of the Military Departments. All of the officials in the line of succession are civilians appointed by the President with the advice and consent of the Senate: As of , there are nine living former Secretaries of Defense, the oldest being Harold Brown (1977–1981, born 1927). The most recent Secretary of Defense