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
Brigadier general the cuff, as well as a single silver maple leaf beneath crossed sabre and baton, all surmounted by St. Edward's Crown, worn on the shoulder straps of the service dress jacket, and on slip-ons on other uniforms. The rank insignia on army uniforms is a gold maple leaf beneath crossed sword and baton, all surmounted by St. Edward's Crown, on the shoulder straps. On the visor of the service cap are two rows of gold oak leaves; the air force wedge cap features silver braid on the edges of the ear flaps. The cap insignia for a general officer is