They were going to become heroes, but they didn't know it. Most of them were not yet twenty years old in June 1940, when France found itself on the ground. They were starting careers, studies, had families, friends. None had heard General de Gaulle's call on June 18, but all listened to Marshal Pétain's speech on the 17th, asking to stop fighting. They immediately rebelled and joined London or the Resistance. Through the testimonies of seven of the last Companions of the Liberation (made in 2013...