Arnold Engineering Development Complex Hypervelocity Wind Tunnel 9 team members look on as the test crew executes the 5,000th run at the facility located in White Oak, Maryland, on April 11, 2022. Tunnel 9, which became an Air Force facility in 1997, provides aerodynamic and aerothermal ground test simulation environment for the development of hypersonic systems; including altitude regimes associated with strategic missile systems, advanced defensive interceptor systems and hypersonic vehicle technologies. ( Air Force photo)

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Photo credit: © Operation 2022 / Alamy / Afripics
License: Licensed
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Keywords: 9, 5000, arnold, complex, development, engineering, hypervelocity, oak, runs, tunnel, white, wind