Canadians Behind Enemy Lines, 1939-1945During the Second World War, Canadians found themselves behind enemy lines in Europe and Asia. Not all were ill fated airmen, shot down in the fury of battle. Some were there by design, as volunteers who risked their lives in extremely hazardous assignments. Almost one hundred Canadians served the Allied forces by passing as locals in occupied countries. At the behest of two British secret services, these men made language and custom their costumes