The use of drones has skyrocketed in the recent years, and we can expect to see more of them in the years to come. Experts predict 2.7 million drones to be in use by year 2020. But, first, how do we define a drone? According to the Federal Aviation Administration (FAA), an unmanned aircraft system (UAS or commonly called a drone) is the unmanned aircraft (UA) and all of the accompanying support equipment, data links, control station, communications and navigation equipment, telemetry etc., essential in operating the unmanned.