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
Royal Navy officer rank insignia the same rank insignia as a sub-lieutenant. Naval pilots in the Fleet Air Arm (and earlier the Royal Naval Air Service) have wings above the curl. Other Fleet Air Arm officers had a letter 'A' inside the curl. From 1795 rank badges could also be shown on epaulettes. The system changed several times, but after 1864 was as follows: Sub-lieutenants and commissioned warrant officers wore scales (epaulettes without fringes, officially termed "shoulder straps") and the same device as a lieutenant. Epaulettes of the military branch were gold throughout with silver devices, while those of the civil branches had a silver