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
British Army officer rank insignia of all regular infantry regiments and foot guards regiments would be in gold and other regiments were in silver. All officers including field and company officers wore epaulettes and wings on both shoulders. The epaulettes over wings system was abolished. Different graded officer wore different sized bullion to distinguish themselves from other. In January 1855, at the end of the Crimean War, the War Office abolished all epaulette and wing rank badges. New rank badges were introduced in the collar. It was first time that a complete set of rank badges was used by the British Army. The above rank