Book of Remembrance lists him as Canadian Army (Artillery), but he was RFC at the the time of his death as per his grave marker.
1918-02-19: Campbell was missing in Bristol F2B, C-4837; shot down in flames after aerial combat, while on offensive patrol. His air-gunner, Lt John Harvey Stream, (British) was also missing. Both were presumed dead.
Campbell, Duncan Gordon (Lieutenant)
Killed in Action 1918-February-19

Birth Date: 1898-February-05
Born: Montreal, Quebec
Parents: Duncan A. Campbell & Helen Bickerdike
Spouse:
Home: Lachine, Quebec
Enlistment:
Enlistment Date: unkown date
Service
RFC
Unit
20 (FB) Sqn- Squadron
Base
France
Rank
Lieutenant
Position
pilot
Service Numbers