Uniform of the Union Army letters US. Officers, NCOs and cavalry troopers were equipped with a sword belt with a rectangular buckle with eagle motif. Rank was displayed on epaulettes (dress occasions) or shoulder straps(field duties): no insignia for a second lieutenant, one gold bar for a first lieutenant, two gold bars for a captain, a gold oak leaf for a major, a silver oak leaf for a lieutenant colonel, a silver eagle for a colonel and one, two or three silver stars for a general, depending on his seniority. The color of the shoulder strap fields – with trims in gold braid – were
Shoulder mark of the Order of the Arrow. Rank slides are used by all of the UK Armed Forces, primarily on working dress uniforms. Shoulder boards are worn by officers on tropical dress uniform, bearing the same insignia carried on the cuffs of the dress uniform. A slide worn on the chest is used to indicate rank for all RN personnel in Action Working Dress (No.4 dress). In the British Army, shoulder straps are worn with dress and service uniforms. In combat dress, however, rank insignia is displayed on 'rank slides' worn on the chest. In the Royal Air Force, rank slides