UAV .. is defined as a "powered, aerial vehicle that does not carry a human operator, uses aerodynamic forces to provide vehicle lift, can fly autonomously or be piloted remotely, can be expendable or recoverable, and can carry a lethal or nonlethal payload" .. Therefore, cruise missiles are not considered UAVs because, like many other guided missiles, the vehicle itself is a weapon that is not reused, even though it is also unmanned and in some cases remotely guided 、。。
There are many different names for these aircraft .. They are UAV (unpiloted aerial vehicle), RPAS (remote piloted aircraft systems) and model aircraft .. It has also become popular to refer to them as drones .. Their flight is controlled either autonomously by onboard computers or by the remote control of a pilot on the ground or in another vehicle 、。。
