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
Commodore (rank) sleeve lace is identical to that of the Royal Navy, and wears one star on the epaulette. The following articles deal with the rank of commodore (or its equivalent) as it is employed OF-6 one-star flag officer rank in various countries. Commodore, in Spanish "comodoro", is a rank in the Argentine Air Force. This rank is the equivalent of a colonel in the Argentine Army, and a colonel or group captain in other air forces of the world. The Argentine rank below commodore is the rank of vice-commodore (Spanish "vicecomodoro") equivalent to a lieutenant-colonel in the Argentine Army, and a