are suspended on ribbons one half the width of their normal counterparts, and are worn on the left lapel. Exceptions to the miniature medals are the Medal of Honor, the Presidential Medal of Freedom (although the PMF also includes an optional miniature version), and authorized foreign neck-borne decorations (e.g., Knight Commander of Order of the Bath, Commander of the Order of Military Merit, et al.) Individual and unit awards that consist of ribbons only are not worn on the mess uniform. Miniature versions of combat and special skill badges are worn above the miniature medals, along with miniature versions of Ranger and Special Forces shoulder tabs, made of enameled metal. Marksmanship and driver/mechanic badges are not worn on the mess uniform. Regimental distinctive insignia is worn on the right lapel. Identification badges worn on service uniform pockets, such as the Drill Sergeant Identification Badge, Presidential Service Badge, Recruiter Badge, Office of the Joint Chiefs of Staff Identification Badge, et al., are worn between the top and middle buttons on the applicable side of the mess uniform. The lapels of enlisted mess uniforms are uniformly dark blue, rather than utilizing a branch color. Enlisted rank insignia is worn on the sleeve in the same manner as on the service uniform tunic. Below, on both sleeves, are long service stripes in place of the shorter stripes used on the service uniform. The same longer service stripes were worn on both sleeves of the blue dress uniform tunic until the blue dress uniform was reconfigured to be the Army's service uniform and replace the green service uniform. U.S. Air Force In the 1950s and 1960s, the U.S. Air Force formal uniform consisted of a civilian black tailcoat with added military sleeve braid and rank insignia. It could be worn as either a black tie or white tie combination. Due to the tails, it was not considered a mess dress uniform. The original U.S. Air Force mess dress consisted of a short black jacket with black trousers, with a white jacket for summer wear. The jackets had satin lapels with matching satin sleeve braid. It entered service in the 1960s and was phased out in the 1980s. It is still sometimes worn by retired officers. The current mess dress is similar in cut and tailoring, but in a dark blue color for year-round wear. The current pattern was introduced in 1981 and is also