British Army officer rank insignia Colonel on the Staff. Since 1928, a Brigadier has had the same rank badges as were displayed by a Colonel Commandant. Initially company and field rank insignia did not appear on officers' uniforms. In 1791 the War Office ordered officers to wear different graded epaulettes and wings to distinguish regimental officer ranks (Colonel to Ensign/ Cornet). This was ordered only for line Infantry officers. According to the Army Order, In 1795, a special pattern of epaulettes was ordered for Fusiliers and Light Infantry officers. Field officers of those regiments wore epaulettes over wings. Company officers wore wings. In February 1810,
United States Army officer rank insignia the gold leaf which the major had been wearing on the shoulder strap. In the same year, the bars on the shoulder straps of the captains and first lieutenants were changed from gold to silver. By 1917 and the time of World War I, the olive drab service uniform had gradually become used more frequently and the blue uniform was worn only on formal dress occasions. As a result, metal insignia was authorized for wear on the service uniform on the shoulder loop and on the collar of the shirt when worn without a jacket. Shortly after the United States