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
Marshal of the Royal Australian Air Force Edinburgh was granted the rank. He was present at 50th anniversary celebrations of the Royal Australian Air Force in March 1971 as a marshal of the RAAF; and continues to hold the rank to the present day. Marshal of the Royal Australian Air Force is a higher rank than air chief marshal. Marshal of the Royal Australian Air Force is a direct equivalent of admiral of the fleet in the Royal Australian Navy and field marshal in the Australian Army. The insignia is four light blue bands (each on a slightly wider black band) over a light blue band on