The pioneering guided bomb: the German Fritz-X

The name Fritz-X was one of several applied to the German guided anti-ship bomb which was the world’s first precision-guided weapon, and the first to sink a ship in combat. Other names for this important weapon were Ruhrstahl SD-1400 X, Kramer X-1, PC-1400X and FX-1400. Together with the similar Azon weapon developed for the US …