V-1 (Vergeltungswaffe 1) flying bomb
The “Vergeltungswaffe 1” or “Vengeance Weapon 1” paved the way for guided weapons that would come to dominate the battlefields. This missile can be considered as the “grandfather” of today’s effective cruise missiles and allowed to attack targets from several hundred kilometers away. Although precision was not its strong point, that made it even more fearsome, since it was practically impossible to know where they would hit. About 15,000 V-1s were launched against London, Antwerp and Brussels between June 1944 and March 1945 creating a reign of terror among the population far beyond their true military value.
V-1 flying bomb gallery and more info