496 (2) A strategic air command. (3) A tactical air command. (b) The Secretary of the Air Force may establish additional commands and organizations in the interest of efficiency and economy of operation. (c) For the duration of any war or any national emergency declared by Congress or the President, the Secretary may establish new major commands in place of the major commands named in subsection (a), or he may consolidate or discontinue those major commands. (d) For Air Force purposes, the United States, its Territories, its possessions, and other places in which the Air Force is stationed or is operating, may be divided into such areas as directed by the Secretary. Officers of the Air Force may be assigned to command Air Force activities, installations, and personnel in those areas. I n the discharge of the Air Forces functions or other functions authorized by law, officers so assigned have the duties and powers prescribed by the Secretary. §8075. Regular Air Force: composition (a) The Regular Air Force is the component of the Air Force that consists of persons whose continuous service on active duty in both peace and war is contemplated by law, and of retired members of the Regular Air Force. (b) The Regular Air Force includes— (1) the officers and enlisted members of the Regular Air Force; (2) the professors and cadets at the United States Air Force Academy; and (3) the retired officers and enlisted members of the Regular Air Force. §8076. Air Force Reserve: composition The Air Force Reserve is a reserve component of the Air Force to provide a reserve for active duty. I t consists of the members of the officers' section of the Air Force Reserve and of the enlisted section of the Air Force Reserve. I t includes all Reserves of the Air Force who are not members of the Air National Guard of the United States. §8077. Air National Guard of United States: composition The Air National Guard of the United States is the reserve component of the Air Force that consists of— (1) federally recognized units and organizations of the Air National Guard; and (2) members of the Air National Guard who are also Reserves of the Air Force. § 8078. Air National Guard: when a component of Air Force The Air National Guard while in the service of the United States is a component of the Air Force. ^ 8079. Air National Guard of United States: status when not in Federal service When not on active duty, members of the Air National Guard of the United States shall be administered, armed, equipped, and trained in their status as members of the Air National Guard.