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
United States Army enlisted rank insignia United States Army enlisted rank insignia The chart below shows the current enlisted rank insignia of the United States Army, with seniority, and pay grade, increasing from left to right. Enlisted ranks of corporal and higher are considered non-commissioned officers (NCOs). The rank of specialist is a soldier of pay grade E-4 who has not yet attained non-commissioned officer status. It is common that a soldier may never be a corporal and will move directly from specialist to sergeant, attaining NCO status at that time. In the beginning, US army enlisted rank was indicated by colored epaulettes. The use of