Global Hawk UAV-to-UAV Refueling DemonstrationNASA Global Hawk No. 871 banked to the right during a checkout flight in preparation for an unmanned aerial refueling demonstration with a second NASA Global Hawk.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/global-hawk-uav-uav-refueling-demonstration-5/Copy URL to clipboard> DownloadShareSize1041x1562px