Air commodore is never shortened to Commodore, which is a rank in various naval forces. Air commodore is a one-star rank and the most junior air officer rank, being immediately senior to group captain and immediately subordinate to air vice-marshal. It has a NATO ranking code of OF-6 and is equivalent to a commodore in the Royal Navy or a brigadier in the British Army or the Royal Marines. Unlike these two ranks, however, it has always been a substantive rank. Additionally, air commodores have always been considered to be air officers whilst Royal Navy commodores have not since the Napoleonic Wars
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