what is usaf

The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. It was established as a separate branch of the United States Armed Forces in 1947 with the enactment of the National Security Act of 1947. The USAF's mission is to fly, fight, and win – airpower anytime, anywhere. It has over 200 active duty career fields and is organized within the Department of the Air Force, which is one of the three military departments of the Department of Defense. The USAF has a Total Force of more than 689,000 personnel, including active duty, Guard, Reserve, and civilians, who work to support all aspects of airpower, including air superiority, global strike, rapid global mobility, intelligence, surveillance and reconnaissance, and command and control