Churchill's Shadow Raiders: The Race to Develop Radar, World War II's Invisible Secret Weapon

In the winter of 1941, as Britain faced defeat on all fronts, an RAF reconnaissance pilot photographed an alien-looking object on the French coast near Le Havre. The mysterious device-a “Wurzburg Dish”-appeared to be a new form of radar technology: ultra-compact, highly precise, and pointed directly across the English Channel. Britain's experts found it hard to believe the Germans had mastered such groundbreaking technology. But one young technician convinced Winston Churchill that the dish...