Dress uniform

Dress uniform (often referred to as Full Dress Uniform, to distinguish it from Mess Dress, and from semi-formal uniforms, such as the British Army's Service Dress), is the most formal military uniform, typically worn at ceremonies, official receptions, and other special occasions; with order insignias and full size medals. The dress uniform correspond to the civilian white tie dress code. Uniform design may be distinct to a service (Marines, Army, Navy, Air Force, etc.), or to a Regiment or Branch of Service.