Team AEDC members at AEDC Hypervelocity Wind Tunnel 9 in White Oak, Md., conduct the initial shakeout of the Mach 18 system from the facility control room in 2019. Calibration of the Mach 18 system was completed at Tunnel 9 in July 2020. The system checked out, allowing Tunnel 9 to begin offering Mach 18 testing to customers. The first customer runs at Mach 18 occurred in August 2020. (Courtesy photo) (This is image was altered by obscuring badges for security purposes.)