Cyril Cansdale was born in Gibraltar and was commissioned in and joined the AOD in December 1914. He was posted to France in 1915 and served there throughout. He was on that First Ordnance Officers Course (the Class of '22).
In the interwar years, he was posted to Northern Ireland, Singapore, Scottish Command and the War Office.
He sailed to France in the BEF in 1939 as DDOS Lines of Communication. Returning to England in 1940, he held a number of senior postings in the War Office until 1943 when he was appointed Deputy Controller of Ordnance Services responsible for Field Operations working closely with Dickie Richards.
He became DOS BAOR in 1946 with promotion to Major General