| Summary/Abstract |
In the beginning, drones were almost exclusively the province of militaries. At first little more than remote-controlled model planes used in the World War I era, military drones advanced steadily over the decades, eventually becoming sophisticated tools that could surveil battlefield enemies from the sky. Today, the terms “drone” and “unmanned aircraft system” denote a vehicle that navigates through the air from point A to point B and is either remotely controlled or flies autonomously. While they vary in size and shape, such vehicles all feature a communications link, intelligent software, sensors or cameras, a power source, and a method of mobility (usually propellers).
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