Royal Navy Navy currently operates from three bases in the United Kingdom where commissioned ships are based; Portsmouth, Clyde and Devonport, Plymouth—Devonport is the largest operational naval base in the UK and Western Europe. Each base hosts a flotilla command under a commodore, or, in the case of Clyde, a captain, responsible for the provision of operational capability using the ships and submarines within the flotilla. 3 Commando Brigade Royal Marines is similarly commanded by a brigadier and based in Plymouth. Historically, the Royal Navy maintained Royal Navy Dockyards around the world. Dockyards of the Royal Navy are harbours where ships are
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