Flotilla Admiral is a rank above Captain in the modern navies of Belgium, Denmark, Germany and Sweden. It corresponds to Commodore in other navies of the world and ranks below a Rear Admiral or, in some nations, a Counter Admiral. Captain is both a nautical term and a military rank. ... The military rank of Commodore is used in some navies for officers whose position exceeds that of a Captain, but is less than that of a flag officer. ... The term Rear Admiral originated from the days of Naval Sailing Squadrons, and can trace its origins to the British Royal Navy. ... Counter Admiral is an Anglification of a naval rank found in some European navies; in the Deutsche Marine: Konteradmiral. ...