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 ranking officers that may fly a command flag. The flag may be depicted on the officer's aircraft or, should the squadron leader be in command, the flag may be flown from a flagpole or displayed on an official car as a car flag. If the squadron leader is in command of a numbered squadron, then the number of the squadron is also shown on the flag. The rank of squadron leader is also used in a number of the air forces in the Commonwealth, including the Bangladesh Air Force (BAF), Ghana Air Force, Indian Air Force (IAF), Sri Lanka Air