Baron Jean de Selys Longchamps hadn’t been cleared for the mission. In fact, he’d been flatly denied, again and again. But on January 20, 1943, the Belgian aristocrat-turned-RAF pilot strapped himself ...

The Hawker Typhoon, Britain's new hope for a fighter, harbored a deadly secret flaw. Pilots began suffering from headaches and nausea, but the true danger was invisible: lethal carbon monoxide gas was ...