Maurice Edwards joined the fledgling Royal Air Force Chaplaincy Service. He was granted the relative rank of squadron leader on 1 August 1919, the relative rank of wing commander on 6 August 1929, and the relative rank of group captain on 6 August 1934. On 10 April 1940, he granted the relative rank of air commodore and appointed Chaplain-in- Chief, the most senior chaplain of the Royal Air Force. From 1944 to 1947, he was based at the Rother Vale Collieries, after which he became rector of Acton Burnell cum Pitchford, a post he held until his retirement in 1953. He died
Squadron leader Force (SLAF), Pakistan Air Force (PAF), Royal Australian Air Force (RAAF), Nigerian Air Force (NAF), and Royal New Zealand Air Force (RNZAF). It is also used in the Egyptian Air Force, Hellenic Air Force, Royal Air Force of Oman the Royal Thai Air Force and the Air Force of Zimbabwe The Royal Canadian Air Force (RCAF) used the rank until the unification of the Canadian Forces in 1968, when army-type rank titles were adopted. Canadian squadron leaders were retitled as majors. In official French Canadian usage, a squadron leader's rank title was "commandant d'aviation". The Chilean Air Force equivalent rank,