Manufacture And Testing Of Aerial Drones At SteadiDrone Ltd. Headquarters

A SteadiDrone QU4D aerial drone fitted with a GoPro video camera hovers in a field in Knysa, South Africa, on Wednesday, Feb. 26, 2014. The number of civilian unmanned aircraft will reach 175,000 by 2035, most of them smaller models, a report by the Cambridge, Massachusetts-based Volpe National Transportation Systems Center found. Photographer: Dean Hutton/Bloomberg via Getty Images