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What is a drone and how do drones work can be understood through the technologies employed in it. UAV drone technology is constantly evolving as innovation and heavy investment brings more advanced drones to the market every few months. Mostly UAV drones have similar incorporated systems.

Figure 1.6 RQ-4 Global Hawk—Heavy Strategic Military Drone [38].

UAV technologies cover everything from the aerodynamics of the drone, materials used in the manufacture of the physical UAV, to the circuit boards, chipset, and software, which are the brains of the drone. The fast pace of UAV technology is tremendous.

UA is made of light composite material for increased maneuverability and reduced weight. This allows the military drones to cruise at extremely high altitudes. These materials are highly-complex composites, lightweight, strong, durable at the same time and they help in the absorption of vibration and reduces the sound produced. They are also equipped with the state-of-the-art technology such as precise and accurate GPS, laser, infrared cameras, etc as shown in Figure 1.6. Drones are controlled remotely by remote ground control also referred to as a ground cockpit.