Nancy Wake joined the French Resistance when Germany invaded in June 1940. Her code names included "White Mouse" and "Andrée." She had to flee France in 1943 when the escape network with which she was working was betrayed. She later parachuted back into France as an SOE liaison with the maquis. She coordinated resistance activity prior to the Allied invasion in June 1944 and recruited more members to the cause. She became one of the most highly decorated officers of World War II.