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 (Royal Navy) although in both cases as an appointment rather than a rank. During World War I the title of "Commodore (T)" was the officer who commanded torpedo boat flotillas. From 1570 to 1864 the Royal Navy was divided into colored squadrons which determined an officer's career path. A modern commodore's rank insignia consists of a 45-millimetre-wide band of gold lace, with a circle of 13-millimetre-wide lace 45 millimetres in diameter above. <br> 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