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
Ranks of the People's Liberation Army Ground Force only worn with the dress white uniform as only sleeve insignia are used in the dress blue uniform only for officers with ratings retaining the shoulder board insignia. The insignia used by officers in the period 1955–1965 by the PLA Ground Force were similar in style to those used by the Soviet Army at the time, with the primary differences being the existence of an additional field officer rank, and the insignia of the highest general officer rank being four stars unlike the one large star used starting 1963. The NCO insignia of that period showed Japanese influence with the