V-1 missile It is a kind of flying missile developed by Germany at the end of the Second World War. It is the first missile in the world to appear and be used in war. It is used to attack Britain, the Netherlands and Belgium. The V-1 missile can be launched by catapult, or from carrier, and then it can fly horizontally according to the predetermined trajectory guided by the missile's control system, then dive to the target. The V-1 missile weighs 2.2 tons, has a length of 7.6 meters, a diameter of 0.82 meters, a wingspan of 5.3 meters, an air jet engine as its power unit, a flight speed of 550-600 kilometers per hour, a flight height of 2000 meters, and a range of 370 kilometers. Warhead charge 700 kg. On June 13, 1944, Germany launched the first V-1 missile to the British mainland