United States Army Air Service collar insignia; one piece stamped bronze disc with relief of Air Service winged propeller insignia with cross checked background; screw post back; worn on collar of service uniform tunic. Created by Smithsonian National Air and Space Museum Date Created 11/03/2022 Source Smithsonian National Air and Space Museum Keywords Aviation; Awards; World War I Rights and Restrictions Not determined
For more information, visit the Smithsonians Terms of Use.