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
Australian Army officer rank insignia below from highest to lowest: The rank of second lieutenant has been phased out of the Australian Army, with officer recruits now graduating from the Royal Military College, Duntroon with the rank of lieutenant. SCDT and OCDT are equivalent rank titles. The rank of Officer Cadet is given to those who are studying at the Australian Defence Force Academy. Their rank is then changed to Staff Cadet upon entry to the Royal Military College, Duntroon (RMC-D) where they become a part of the Corps of Staff Cadets. Officer cadets wear a 10mm wide white stripe, on a DPCU slide or