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
Royal Scots Navy that of England. The office of Lord High Admiral was subsumed within the office of the Admiral of Great Britain. The three vessels of the small Royal Scottish Navy were transferred to the Royal Navy. A number of Scottish officers eventually left the Royal Navy for service in the fledgling Russian navy of Peter the Great. These included the captain of the "Royal Mary" Thomas Gordon, who became a commodore in 1717 took service and rose to be Admiral and commander-in-chief of the Baltic Fleet. The most accessible work on the Old Scots Navy and Scots naval matters, prior to