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 may assist the Secretary and President in their command functions, the Chairman is not in the chain of command. The Secretary of Defense, Secretary of State, the Attorney General, and the Secretary of the Treasury are generally regarded as the four most important cabinet officials because of the importance of their departments. The current Secretary of Defense is retired United States Marine Corps general Jim Mattis, who was confirmed and sworn in on 20 January 2017. The Army, Navy, and Marine Corps were established in 1775, in concurrence with the American Revolution. The War Department, headed by the Secretary of