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
Commodore (Royal Navy) appointment of commodore first class has been in abeyance since 1958, leaving the pennant with a single red ball to cover all Royal Navy commodores. Modern commodores wear the sleeve lace previously worn by commodores second class. Commodore has only been a substantive rank in the Royal Navy since 1997. Before then it continued to be an appointment conferred on senior captains holding certain positions. For example, the senior commander of destroyers within a fleet in the Royal Navy could carry the title of "Commodore (D)", while the fleet's senior commander of submarines could carry the title of "Commodore (S)",