Automatic Dependent Surveillance-Broadcast Aircraft Tracking TechnologyNASA's Ikhana, a modified General Atomics Aeronautical Systems MQ-9 Predator B, conducts engine run-up before a pre-dawn takeoff on the first test flight of the new ADS-B aircraft tracking technology on an unmanned aircraft system.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/automatic-dependent-surveillance-broadcast-aircraft-tracking-technology/Copy URL to clipboard> DownloadShareSize1041x694px