Gaining his wings on 17 March 1916 , Gilmour was assigned to pilot the Martinsyde Elephant on the Western Front .
Gilmour began his military career in the Argyll and Sutherland Highlanders , but was seconded to the Royal Flying Corps .
Gaining Gilmour 's wings on 17 March 1916 , Gilmour was assigned to pilot the Martinsyde Elephant on the Western Front .
Gilmour began his military career in the Argyll and Sutherland Highlanders , but was seconded to the Royal Flying Corps .