On March 26, 1951, the United States Air Force Flag was born. It contains a coat of arms, the Air Force seal and 13 stars on a blue background. The 13 stars represent the original 13 colonies, and the colors Ultramarine Blue and Gold are the official colors of the US Air Force. The grouping of three stars at the top of the flag represents the Army, Navy, and Air Force. Buy one today at CVSFlags.com.