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
Canadian Armed Forces ranks and insignia and this same embroidered crest is worn on the shoulder straps. <noinclude> NCM rank insignia for the rank of Petty Officer 1st class/Warrant Officer and above are worn on the lower sleeve, while those for the rank of Petty Officer 2nd class/Sergeant and below are worn on the upper sleeve. <noinclude> The tables above describe the rank insignia worn on the service dress jacket. On DEU shirts, sweaters, and outerwear; and operational dress shirts and jackets, rank insignia are worn on slip-ons with the word "CANADA" or a regimental/branch title embroidered underneath. Flag/general officers' slip-ons include only the crown, crossed