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
History of the Royal Canadian Navy in 2010. On 12 May 2011, HMCS "Charlottetown" came under fire by small craft off the coast of Libya. This was the first time that a Canadian naval vessel had been under hostile attack since the Korean War. What many think of as the modern Canadian Navy is officially known as the Canadian Forces Maritime Command (MARCOM), which was officially established 7 June 1965 as one of six functional commands which were formed under the integration reorganization of the Canadian services. The Royal Canadian Navy effectively ceased to exist 1 February 1968, when the Canadian Forces Reorganization Act was given