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 in France is also an OF-4 equivalent to a major, and the cavalry appointment of squadron leader in the UK generally corresponds to this rank as well. The rank originated in the British Royal Air Force and was adopted by several other air forces which use, or used, the RAF rank system. On 1 April 1918, the newly created RAF adopted its officer rank titles from the British Army, with Royal Naval Air Service lieutenant commanders and Royal Flying Corps majors becoming majors in the RAF. In response to the proposal that the RAF should use its own rank titles,