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 Australian Navy the class in service and based at in Western Australia. The is the current main fleet unit of the Royal Australian Navy; the class has eight vessels. The lead vessel of the class, , was commissioned in 1996 and the final vessel, , was commissioned on 26 August 2006. Along with the eight Australian vessels, two "Anzac"s were also constructed for the Royal New Zealand Navy. The "Anzac" class were jointly constructed in New Zealand and Australia with the final fitout in Williamstown, Victoria. The amphibious and supply arm of the RAN is made up of; one landing platform, one