Commodore (Royal Navy) Commodore (Royal Navy) Commodore (Cdre) is a rank of the Royal Navy above captain and below rear admiral. It has a NATO ranking code of OF-6. The rank is equivalent to brigadier in the British Army and Royal Marines and to air commodore in the Royal Air Force. The rank of commodore was introduced during the 17th century in November 1674 (though not legally established until 1806). In 1684 the navy introduced two classes of commodore, the first known as a "Commodore Distinction" and the other a "Commodore Ordinary"; these would later evolve into commodores first and second class. In
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