An XQ-58A Valkyrie maintainer pours fuel into the aircraft on a launchpad at the U.S. Army Yuma Proving Ground, Ariz., Dec. 9, 2020. More than 50 team members came together to make the historic flight a safe event. The joint effort included a Marine Corps F-35B variant, an Air Force F-22 Raptor, and an Air Force F-35A variant. The Air Force F-22 and F-35A aircraft flew with the attritableONE platform for the first time. (U.S. Air Force photo by Staff Sgt. Joshua King)