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
1920 Royal Navy mission to Enzeli 1920 Royal Navy mission to Enzeli The 1920 Royal Navy Mission to Enzeli was a party of thirty-one officers and men of the United Kingdom's Royal Navy sent to Enzeli, North Persia, to assist with White Russian interned ships. The mission was detained in Baku, Azerbaijan, following the latter's invasion by the Red Army and the subsequent change of government. The party was imprisoned for six months until released in a prisoner exchange. From September 1918 to May 1919, Commodore David Norris RN had built up a flotilla of armed merchant cruisers (AMC) with which, by May 1919, he had