U.S. Air Force Tech Sgt. Stephen J. Larsen and Staff Sgt. Stefan N. Sobiech, SparkX Cell Innovation and Idea Center technicians at Joint Base Andrews, Md., conduct an off-base flight test the Blackbird unmanned aircraft system in September 2024. The system was developed after a request from the U.S. Army’s 1st Multi-Domain Task Force for a drone that could be 3D-printed, assembled and flight-ready in under two days. (U.S. Air Force photo)