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
Hellenic Army officer rank insignia Hellenic Army officer rank insignia This article describes the military rank insignia used by the Hellenic Army. The current insignia date back to the late 1930s, when British-style insignia were adopted. Since then, they have undergone minor changes to reflect the changes of regime, from the monarchy to the military regime and, since 1974, the current Republic. The insignia currently in use are: This system was based on the Russian imperial insignia, just as was the case in many other Balkan states in the late 1800s, with a slight adaptation. It was replaced with a British-style system (which is currently