British Army officer rank insignia were ordered to wear the same collar as other General officers, but no device in the collar. In 1880, War Office ordered to move rank badges from collar to shoulder. In 1921, the War Office abolished the rank of Brigadier General and introduced a new rank called Colonel Commandant (Officer commanding a Brigade) or Colonel on the staff (officer not commanding a Brigade, but staff officer). The badges of Colonel Commandant and Colonel on the staff were the same, consisting of a crown and three stars. In 1928, Brigadier rank was introduced by abolishing the ranks of Colonel Commandant and
Royal Navy officer rank insignia more recently in "shirt sleeve order". For these commodores first class and above used the same badge as on their epaulettes, and commodores second class and below used their rank rings. From 1926 only commodores had two stars, other captains one. Epaulettes were not worn after 1939. In 2001, the shoulder boards on dress uniforms were changed and are currently: Warrant officers first received their uniforms in 1787. The navigators, surgeons and pursers were commissioned in 1843 and their insignia are described above. In 1865 chief (later commissioned) gunners, boatswains, and carpenters were given a single in ring, with the