Royal Navy officer rank insignia the Corps also had the unique ranks of colonel second commandant and colonel commandant. Rank insignia are on brown or dark blue shoulder boards in all dresses save for the combat and barracks duty dress uniforms. From 1911 to 1957 the officer corps even included warrant officers and commissioned warrant officers in the same way as the RN. Although the Royal Marines does not officially use the rank of field marshal, the Captain General Royal Marines, the ceremonial head of the corps, wears a field marshal's rank insignia. Royal Navy officer rank insignia Uniforms for naval officers were not authorised
Australian Army officer rank insignia hard shoulder board, as their rank insignia. Officer Trainees in University Regiments undergoing Army Reserve Officer Training have also been known as Officer Cadets as of November, 2009. Previous to this they administratively belonged to RMC-D and were known as Staff Cadets. Staff Cadets are presently only full-time RMC-D officer trainees. Staff Cadets wear "RMC" on their rank slides in order to distinguish them from other training establishments. The insignia worn by officers in the Australian Army use three symbols which are also used in the insignia of the British Army: Australian Army officer rank insignia Australian Army officers receive