Air officer and general officer in the Royal Navy and Army respectively. Specifically while the Army uses General Officer Commanding (GOC), the Air Force uses Air Officer Commanding (AOC) to designate the senior officer in a formation. Note, however, that in the British Armed Forces, while an air commodore is an air officer, his Royal Navy equivalent (commodore) is not considered a flag officer, nor is his British Army or Royal Marines equivalent (brigadier) considered a general officer. In 1919 when the RAF introduced its own air officer ranks, the preceding RAF and equivalent army rank was brigadier-general, which was a general
History of the Royal Navy the Royal Scots Navy, taking charge of HMS "Royal Mary" on the North Sea patrol, moving to "Royal William" when she entered service in 1705, and being promoted to commodore in 1706. With the Act of Union in 1707, the Royal Scottish Navy was merged with the English Royal Navy, but there were already much larger English ships called "Royal William" and "Mary", so the Scottish frigates were renamed and , while only retained its name. After 1603 the English and Scottish fleets were organized together under James I but the efficiency of the Navy declined gradually, while corruption grew