Fritz X was the most common name for a German guided anti-ship glide bomb used during World War II. Fritz X was the world's first precision guided weapon deployed in combat, and the first to sink a ship in combat. Fritz X was a nickname used both by Allied and Luftwaffe personnel.
In 1943, the German scientist Andreas Kessler created the "Razor missile", an early version of the Fritz X
San Celini" fired from a Dorneir Do 217 that fires it at the Royal Navy ship Orchidea and then in the final mission where many must be destroyed