Rocket (from Italian. Rocchetta - small spindle through it. Rakete or niderl. Raket) - an aircraft moving in space due to the action of thrust, arising only due to the rejection of a part of its own mass (working body) of the device and without using substance from the environment . Since the flight of a rocket does not require the presence of the surrounding air or gas environment, it is possible not only in the atmosphere, but also in a vacuum. The word rocket denotes a wide range of flying devices from holiday firecrackers to a space launch vehicle.
In military terminology, the word rocket means a class, as a rule, of unmanned aerial vehicles used to hit remote targets and use the principle of jet propulsion for flight. In connection with the diverse use of missiles in the armed forces, by various combat arms, a wide class of different types of missile weapons was formed.