For 10 points, name this main naval branch of the British Armed Forces.
John Clerk wrote the Essay on Naval Tactics in order to introduce linear tactics to this navy. Sailors petitioned to see their families during the Nore mutiny and to retain the concessions from the Spithead mutiny against this navy. After the construction of La Gloire, this navy commissioned Isaac Watts to build an ironclad with the first armored box, or citadel, called the Warrior. A pocket-sized (*) chronometer called the H4 was invented by John Harrison for this navy. Warships of this navy were split into six divisions, or "rates", based on the number of guns they had. This navy lost most of its shipyards at Sheerness and Chatham at the battle of Medway against the Dutch fleet. Henry VIII was often called its "father". For 10 points, name this main naval branch of the British Armed Forces.
John Clerk wrote the Essay on Naval Tactics in order to introduce linear tactics to this navy.
Royal Navy [or English Navy or British Navy until "British Armed Forces" is read]