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
Commodore (Royal Navy) although in both cases as an appointment rather than a rank. During World War I the title of "Commodore (T)" was the officer who commanded torpedo boat flotillas. From 1570 to 1864 the Royal Navy was divided into colored squadrons which determined an officer's career path. A modern commodore's rank insignia consists of a 45-millimetre-wide band of gold lace, with a circle of 13-millimetre-wide lace 45 millimetres in diameter above. <br> Commodore (Royal Navy) Commodore (Cdre) is a rank of the Royal Navy above captain and below rear admiral. It has a NATO ranking code of OF-6. The rank is