NASA’s X-59 in Flight with F-15 Research Aircraft Monitoring

NASA’s X-59 quiet supersonic research aircraft flies above Palmdale and Edwards, California, on its first flight Tuesday, Oct. 28, 2025, accompanied by a NASA F-15 research aircraft. The F-15 monitored the X-59 during the flight as it traveled to NASA’s Armstrong Flight Research Center in Edwards, California, where it will begin flight testing for NASA’s Quesst mission, which aims to demonstrate quiet supersonic flight over land.