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
Captain general of the Army Captain general of the Army Captain General () has been the highest rank in the Spanish Army ("Ejército de Tierra") since the 18th century. A five-star rank with NATO code OF-10, it is equivalent to a field marshal of the armies of numerous countries, a general of the Army of the United States, a captain general of the Spanish Navy "(Armada Española)" or an Captain general of the Air Force in the Spanish Air Force "(Ejército del Aire)". A Captain General's insignia consists of two command sticks under five four-pointed stars below the Royal Crown. A personal rank of "captain