Example image of eyePlorer eyePlorer map for 'National Security Act of 1947': 80th United States Congress Act of Congress 1947 Foreign policy of the United States Harry S. Truman July 26 President of the United States United States United States armed forces United States Intelligence Community World War II James Forrestal United States Secretary of Defense United States Senate United States Department of the Navy United States Department of War United States Air Force United States Army Air Forces 1949 August 10 United States Department of Defense Central Intelligence Agency Executive (government) Intelligence agency National security United States National Security Council 1956 Joint Chiefs of Staff Cold War Marshall Plan Truman Doctrine History of the United States Air Force National Security Resources Board Roscoe H. Hillenkoetter Project on National Security Reform Timeline of United States history (1930–1949) Webster v. Doe Goldwater–Nichols Act Homeland Security Act St. Wapniacl US Commission on National Security/21st Century Covert operation E. Pendleton Herring History of the United States National Security Council United States Senate Committee on Armed Services Dulles-Jackson-Correa Report List of military officers who have led divisions of a civil service Deputy Director of the Central Intelligence Agency Department of the Army Seal and Emblem Eberstadt Report