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
Officer candidate for ' ("Officer Aspirant") to their rank. Then the designate progresses through the ranks of ' (OR-5), ' (OR-6) and ' (OR-7) in the German Army and German Air Force. Officer designates in the German Navy go through the corresponding ranks of ', ' and ' instead. Officer designates in the army and air force wear the same uniform and insignia as the corresponding NCOs; added a silver metal tissue cord on their shoulder straps. A distinction to this is the insignia of the '. His service and dress uniforms, including the shoulder straps, are sowed the silver piping, indicating