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
Uniforms of the Royal Navy introduced to be used only by the Royal Navy. Uniforms of the Royal Navy The uniforms of the Royal Navy have evolved gradually since the first uniform regulations for officers were issued in 1748. The predominant colours of Royal Navy uniforms are navy blue and white. Since reforms in 1997 male and female ratings have worn the same ceremonial uniform. RN uniforms have served as the template for many maritime/naval uniforms throughout the world, especially in the British Empire and Commonwealth. The uniforms of the Royal Naval Reserve, Royal Fleet Auxiliary, the Maritime Volunteer Service, the Sea Cadet Corps, the