The United States Air Force (which was established as its own branch of U.S. services in September 1947) has many authorized duty identifier tabs, including Bomb Builder, Fire Fighters, Explosive Ordnance, Combat Controller, Contingency Response and Air Mobility Liaison Officer.
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. Fire Fighters Explosive Ordnance Disposal Contingency Response Air Mobility Liaison Officer Combat Controller 
