On this date in 1947 – The U.S. Air Force was formed as a separate military service out of the old Army Air Corps. The Air Force’s motto is: “Uno Ab Alto” (One over all). In 2010, it was officially changed to "'Aim High ... Fly-Fight-Win". At the same time the Air National Guard is created as a separate reserve component under control of the National Guard Bureau.
The United States Air Force (USAF) is the air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its origins to 1 August 1907, as a part of the United States Army Signal Corps, the USAF was established by transfer of personnel from the Army Air Forces with the enactment of the National Security Act of 1947. It is the second youngest branch of the United States Armed Forces and the fourth in order of precedence. The United States Air Force articulates its core missions as air supremacy, global integrated intelligence, surveillance and reconnaissance, rapid global mobility, global strike, and command and control.
Along with conducting independent air operations, the United States Air Force provides air support for land and naval forces and aids in the recovery of troops in the field. As of 2020, the service operates approximately 5,500 military aircraft[6] and approximately 400 ICBMs. It is the world's largest air force, and is the second largest service branch of the U.S. Department of Defense. At the end of FY23, there were 321,848 active duty airmen, 147,879 civilian personnel, 68,927 reserve airmen, 105,104 Air National Guard airmen, and approximately 65,000 Civil Air Patrol auxiliaries.