U.S. Air Force Wing Pin. This pin is of jewelry quality, with cloisonne hard enamel blue color, nickel plated and polished to a great shine. The wing and star emblem (also known as Hap Arnold Wings) dates back to the beginning of the Air Force in the Army Air Corps. It is an icon symbolizing "ABOVE ALL", the motto of the Air Force. Each pin includes a clutch back and is individually poly bagged.