Promo video celebrating and highlighting the U.S. Air Force’s 73rd Birthday. The United States Air Force (USAF) is the aerial warfare service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services. Initially formed as a part of the United States Army on 1 August 1907, the USAF was established as a separate branch of the U.S. Armed Forces on 18 September 1947 with the passing of the National Security Act of 1947. It is the second youngest branch of the U.S. Armed Forces and the fourth in order of precedence.
The U.S. Air Force articulates its core missions as air superiority, global integrated intelligence, surveillance and reconnaissance, rapid global mobility, global strike, and command and control. The U.S. Air Force is a military service branch organized within the Department of the Air Force, one of the three military departments of the Department of Defense. The Air Force through the Department of the Air Force is headed by the civilian Secretary of the Air Force, who reports to the Secretary of Defense and is appointed by the President with Senate confirmation. The U.S. Air Force provides air support for land and naval forces and aids in the recovery of troops in the field.