U.S. Air Force [USAF] Law and Legal Definition

The U.S. Air Force (USAF) is the major part of the U.S. military organization. USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of 1947. The mission of USAF is to fly, fight and win in air, space and cyberspace. Generally, USAF operates under the authority, direction, and control of the Secretary of Defense. The head of USAF is the Secretary of the Air Force, who is appointed from civilian life by the U.S. President with the advice and consent of the senate. The primary responsibilities of USAF are air warfare, air defense, and military space research. Currently, USAF delivers global reach, global power and global engagement to defend and protect American citizens and allies anywhere, at any time.