2 1/2" diameter military specification color shoulder patch. A World War II era patch. The patch is to designate that wearer is a member of the "United States Army Air Forces." The Army Air Corps was designated as this on June 20, 1941. The background is dark blue felt. The wings are embroidered in gold thread. The star's five points are embroidered in white. The star's circular center is embroidered in red.