Lorraine was the first French-Canadian woman to enlist in Montreal, Quebec. She was posted to Yorkton, Saskatchewan where she served as a Parachute Fitter, and afterwards was put in charge of Stores at the Princess Alice Barracks in Ottawa.
Thelma initially worked as a Parachute Fitter but was soon sent to Dunnville, Ontario as a military photographer. She was posted to Britain and assigned to the Canadian Six Group in Bomber Command. She was responsible for receiving film from Lancaster Bomber crews that was then processed and sent on to the Intelligence services. Afterwards, she was assigned to the RCAF press unit responsible for photographing special military events.