A cruising missile is an unmanned target that is designed to be guided towards its intended target. Such missiles can be used in military attacks or surveillance. There are many synonyms for cruising missile, including guided missile, drone, unmanned aerial vehicle (UAV), and smart missile. Each of these synonyms expresses a different aspect of the missile's functionality or technology. Guided missile, for example, emphasizes the missile's ability to follow a predetermined path towards a target. By contrast, drone and unmanned aerial vehicle emphasize the fact that the missile is unmanned, while smart missile implies a higher level of technological sophistication, with advanced guidance systems that allow for greater accuracy and precision.