Air Force Capt. John Walton, 2016 Air Force Research Laboratory Commanders Challenge program execution officer, walks across the test range between scenarios at the Nevada National Security Site, Las Vegas, NV., Dec. 13, 2016. The challenge consisted of six teams who were given six months to develop a complete counter-unmanned aerial system to aid in base defense. ( Air Force photo by Wesley Farnsworth)
An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without any human pilot, crew, or passengers on board. UAVs are a component of an unmanned aircraft system (UAS), which includes adding a ground-based controller and a system of communications with the UAV.[1] The flight of UAVs may operate under remote control by a human operator, as remotely-piloted aircraft (RPA), or with various degrees of autonomy, such as autopilot assistance, up to fully autonomous aircraft that have no provision for human intervention.[2] UAVs were originally developed through the twentieth century for military missions too "dull, dirty or dangerous"[3] for humans, and by the twenty-first, they had become essential assets to most militaries. As control technologies improved and costs fell, their use expanded to many non-military applications.[4][5] These include forest fire monitoring,[6] aerial photography, product deliveries, agriculture, policing and surveillance, infrastructure inspections, science,[7][8][9][10] smuggling,[11] and drone racing.
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