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
Rank insignia of the German Bundeswehr class="center" caption="Rank insignias (shoulder strap / mounting loop) regarding officer aspirant (OA) ranks"> HD H 11 Schütze OA MilMus L.svg|Schütze OA HD H 21a Fahnenjunker FJg.svg|Fahnenjunker LD B 33a Oberfähnrich.svg|Oberfähnrich HA OS5 11 Panzergrenadier OA PzGren.svg|Mounting loop Jäger OA HA OS5 12 Gefreiter OA PzGren R.svg|Mounting loop Gefreiter OA LA OS5 33a Oberfähnrich.svg|Mounting loop Oberfähnrich </gallery> Regarding the Navy, beside the rank insignia there is not any additional element, determined commonly to all officer grades and officer designated ranks. Various assignment badges indicate the different officer chains of career and discriminate officers designated from the other rank groups, e.g. enlisted