Global Hawk UAV-to-UAV Refueling DemonstrationWith a long refueling probe protruding from its nose, NASA Global Hawk No. 871 landed at Edwards Air Force Base in California following a checkout flight.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/global-hawk-uav-uav-refueling-demonstration-3/Copy URL to clipboard> DownloadShareSize1041x694px