What term describes ranks in the Royal Navy above that of Captain?
Royal Navy ranks, rates, and uniforms of the 18th and 19th centuries a lower squadron (i.e. vice admiral of the blue) to be demoted to a lower rank yet in a higher rated squadron (i.e. rear admiral of the red). Some flag officers were not assigned to a squadron, and thus were referred to simply by the generic title "admiral". Formally known as "admiral without distinction of a squadron", the common term for such officers was "yellow admiral". Still another title was port admiral which was the title for the senior naval officer of a British port. Royal Navy ranks, rates, and uniforms of the 18th and 19th centuries Royal Navy ranks,
Captain (Royal Navy) Captain (Royal Navy) Captain (Capt) is a senior officer rank of the Royal Navy. It ranks above commander and below commodore and has a NATO ranking code of OF-5. The rank is equivalent to a colonel in the British Army and Royal Marines, and to a group captain in the Royal Air Force. There are similarly named equivalent ranks in the navies of many other countries. In the Royal Navy, the officer in command of any warship of the rank of commander and below is informally referred to as "the captain" on board, even though holding a junior rank, but