Air commodore unification of the Canadian Forces in 1968, when army-type rank titles were adopted. An air commodore then became a brigadier-general (following the US Armed Forces title, rather than the British brigadier, which had been held by equivalent officers in the former Canadian Army). In official French Canadian usage, the rank title was "commodore de l'air". The position of honorary air commodore still exists in the Royal Canadian Air Cadets. Air Commodore, a calque or near-literal translation is also a rank in the Egyptian Air Force, Royal Air Force of Oman, the Royal Thai Air Force and the Air Force of
Structure of the Royal Navy in 1989 and supplies via replenishment at sea. It also transported Army and Royal Marine personnel. RFA vessels were commanded and crewed by civilians, augmented with regular and reserve Royal Navy personnel to perform specialised military functions such as operating and maintaining helicopters or providing hospital facilities. RFA ships carried the ship prefix "RFA". The following is a list of RFA ships in 1989: The Royal Naval Auxiliary Service (RNXS) was a uniformed, unarmed, civilian volunteer service, administered and trained by the Royal Navy to operate in the ports and anchorages of the UK in an Emergency. The Service was divided into