The two agents first priority was to establish a secure base in Paris where they could live, and from where Labrosse could operate his radio to stay in touch with London. WW2 and Military. Lucien Adelard Dumais (born Montreal in June 1905, married and with two teenage children) was a Platoon Sergeant Major in 1 Bn Les Fusiliers Mont-Royal when he landed at Dieppe on 19 August 1942.