Commodore (rank) lieutenant-colonel or wing commander in other air forces. Commodore is a rank in the Royal Netherlands Air Force. It is a one-star rank and has essentially the same rank insignia as the British air commodore. Many air forces use the rank of air commodore. This rank was first used by the Royal Air Force and is now used in many countries such as Australia, Bangladesh, Greece, India, New Zealand, Nigeria, Pakistan, Thailand and Zimbabwe. It is the equivalent rank to the navy rank of "commodore", and the army ranks of brigadier and brigadier general. The German air force used the
Admiral of the Fleet (Royal Navy) Admiral of the Fleet (Royal Navy) Admiral of the Fleet is a five-star naval officer rank and the highest rank of the Royal Navy. The five-star NATO rank code is OF-10, equivalent to a field marshal in the British Army or a marshal of the Royal Air Force. Other than honorary appointments no new admirals of the fleet have been named since 1995. The origins of the rank can be traced back to Sir John de Beauchamp, 1st Baron Beauchamp de Warwick, who was appointed 'Admiral of the King's Southern, Northern and Western Fleets' on 18 July 1360. The appointment