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
William Kerr (Royal Navy officer) William Kerr (Royal Navy officer) Commodore The Hon. William Kerr was a Royal Navy officer who served as Commander-in-Chief of the Jamaica Station. Born a younger son of the Earl of Lothian, Kerr was promoted to post captain on 14 May 1690 on appointment to the command of the fourth-rate HMS "Deptford". He transferred to the command of the fourth-rate HMS "Burlington" in 1696, of the third-rate HMS "Lenox" later the same year and of the third-rate HMS "Eagle" in 1700. He went on to receive the command the third-rate HMS "Revenge" in 1702. Promoted to Commodore, Kerr became Commander-in-Chief