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
Future of the Royal Navy part of immediate UK future military procurement, therefore, all of this is pure speculation. The Royal Marines will be restructured for the future, with 200 driver and administrative staff posts removed and reallocated to Royal Navy personnel. 42 Commando will be transformed into a specialised "Maritime Operations unit" so that roles from that unit such as heavy weapons specialists, can be reallocated across the Royal Navy. Future of the Royal Navy At the beginning of the 1990s the Royal Navy was a force designed for the Cold War. The main purpose of its fleet, based around three small aircraft carriers