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
Four-star rank armii" wore shoulder insignia with four small stars, the "marshal" and "admiral flota" wore one single large star on their shoulder boards, and the "glavnii marshal" the same large star with a laurel wreath, very similar to the modern army general insignia of the Russian Army. Upon their formation, the Russian armed forces discontinued the ranks of "marshal" and "glavnii marshal". Four-star rank A four-star rank is the rank of any four-star officer described by the NATO OF-9 code. Four-star officers are often the most senior commanders in the armed services, having ranks such as (full) admiral, (full) general, or