

Though masters' mates (later simply mates) were not always appointed by warrant, their uniforms were generally regulated similarly to those of warrant officers, and so will also be considered here. The first regulations to differentiate the different warrant ranks were those of January 1864.

1 Period photos indicate that plain frock coats were commonly worn. In the uniform regulations of 1852, warrant officers were authorized to wear gold-laced buttonholes on each side of the collar for full dress, but nothing was said about undress uniforms. Navy (boatswains, gunners, carpenters and sailmakers) were distinguished for many years by plain, unadorned uniforms without the insignia and trim of commissioned officers. The original warrant officers of the U.S. Uniforms & Insignia | Ranks & Organization | Misc.
