Inactive

22 September 2025 - Amendment 1 with questions and answers, updated repsonse date and updated Attachment 2 posted. Hypervelocity Wind Tunnel No. 9 (Tunnel 9) is located in White Oak, Maryland and is p... 22 September 2025 - Amendment 1 with questions and answers, updated repsonse date and updated Attachment 2 posted. Hypervelocity Wind Tunnel No. 9 (Tunnel 9) is located in White Oak, Maryland and is part of United States Air Force Arnold Engineering Development Complex (AEDC). It is a unique world-class ground-test facility with a blowdown capability that uses gaseous nitrogen as the working fluid and operates at Mach numbers of 7, 8, 10, 14, and 18. Tunnel 9 provides critical aerodynamic test and evaluation (T&E) data necessary for vehicle development. Tunnel 9 is used for hypersonic ground testing and the validation of computational fluid dynamics (CFD) simulations. Coaxial Thermocouples are critical components to testing operations. Full details of the requirement may be found in the attached documents.