A motor mechanic and the son of Elizabeth King of Forbes, New South Wales, Elwyn Roy King enlisted in the 12th Australian Light Horse on 17 July 1915. He transferred to the Australian Flying Corps and served with 4 Squadron where he scored 19 victories flying the Sopwith Camel. After his squadron converted to Snipes, King scored 7 more victories, becoming the highest scoring ace to fly the Sopwith Snipe during the Great War.
Listed as Roy King in the London Gazette.
Distinguished Flying Cross (DFC)
Lieut. (A./Capt.) Roy King (Australian F.C.). (FRANCE)
During operations in the early part of September this officer rendered gallant and valuable service in bombing and attacking with machine-gun fire enemy billets, trains, troops, etc. In carrying out these operations he ensures success by descending to low altitudes, disregarding personal danger incurred by so doing.
Supplement to the London Gazette, 3 December 1918 (31046/14323)