Topic summary
Epaulettes

Extracted from the Wikipedia article Epaulette.
United States
Epaulettes were authorized for the United States Navy in the first official uniform regulations, Uniform of the Navy of the United States, 1797. Captains wore an epaulette on each shoulder, lieutenants wore only one, on the right shoulder. By 1802, lieutenants wore their epaulette on the left shoulder, with lieutenants in command of a vessel wearing them on the right shoulder; after the creation of the rank of master commandants, they wore their epaulettes on the right shoulder similar to lieutenants in command. By 1842, captains wore epaulettes on each shoulder with a star on the straps, master commandant were renamed commander in 1838 and wore the same epaulettes as captains except the straps were plain, and lieutenants wore a single epaulette similar to those of the commander, on the left shoulder. After 1852, captains, commanders, lieutenants, pursers, surgeons, passed assistant and assistant surgeons, masters in the line of promotion and chief engineers wore epaulettes.