Air commodore is never shortened to Commodore, which is a rank in various naval forces. Air commodore is a one-star rank and the most junior air officer rank, being immediately senior to group captain and immediately subordinate to air vice-marshal. It has a NATO ranking code of OF-6 and is equivalent to a commodore in the Royal Navy or a brigadier in the British Army or the Royal Marines. Unlike these two ranks, however, it has always been a substantive rank. Additionally, air commodores have always been considered to be air officers whilst Royal Navy commodores have not since the Napoleonic Wars
Medical Assistant (Royal Navy) instance of a Commodore. The MSOs were also previously called ward masters. Medical Assistant (Royal Navy) The Medical Assistant. is a Royal Navy medical rating in the United Kingdom. Medical Assistants serve on all types of ships in the surface fleet, submarine fleet, Royal Marines, Fleet Air Arm or ashore in a sick bay, hospitals, or other establishment. The equivalent rate in the United States Navy (USN) is hospital corpsman. The Medical Assistant provides a broad spectrum of skills in primary care, occupational health, secondary care, pre-hospital trauma life support, medical administration, teaching first aid and disease prevention, providing health