Drones were defined as; Vehicles powered by batteries that take off the ground using aerodynamic forces and fly in the air autonomously or through a remote controller or transmitter and can also carry a payload are known as unmanned aerial vehicles.
Aircraft such as cruise missiles and ballistic vehicles do not come under this category. Also, unpowered vehicles, such as gliders are not included in this list. Aerial vehicles used for combat missions without a pilot are now more commonly known as “drones”.