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
Shoulder mark of the Order of the Arrow. Rank slides are used by all of the UK Armed Forces, primarily on working dress uniforms. Shoulder boards are worn by officers on tropical dress uniform, bearing the same insignia carried on the cuffs of the dress uniform. A slide worn on the chest is used to indicate rank for all RN personnel in Action Working Dress (No.4 dress). In the British Army, shoulder straps are worn with dress and service uniforms. In combat dress, however, rank insignia is displayed on 'rank slides' worn on the chest. In the Royal Air Force, rank slides