Display your love for the U.S. Air Force with this Annin U.S. Air Force Military Flag. The US Air Force flag background is a special shade known as "Air Force blue." The central shield has a stylized thunderbolt symbol of the kind used in the Roman Empire. The blue shield appears over stylized white clouds known in heraldry as nebuly. A bald eagle, the national bird, stands at the top of the US army flag with its wings spread. Behind its head is an area of clouds similar to those appearing in the coat of arms of the United States. You'll absolutely love these military branch flags!