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
Royal Navy officer rank insignia the same rank insignia as a sub-lieutenant. Naval pilots in the Fleet Air Arm (and earlier the Royal Naval Air Service) have wings above the curl. Other Fleet Air Arm officers had a letter 'A' inside the curl. From 1795 rank badges could also be shown on epaulettes. The system changed several times, but after 1864 was as follows: Sub-lieutenants and commissioned warrant officers wore scales (epaulettes without fringes, officially termed "shoulder straps") and the same device as a lieutenant. Epaulettes of the military branch were gold throughout with silver devices, while those of the civil branches had a silver