This is a sources sought notice for informational purposes only, not a solicitation or request for quote. The Air Force Test Center at Arnold Air Force Base (AFB) seeks sources capable of designing and fabricating a new, fully functional Mass Flow Metering Assembly (MFA) for the Arnold Engineering Development Complex (AEDC) at that location. The full Statement of Work is export-controlled and will not be publicly posted; interested vendors must specifically request it and must be certified in the Joint Certification Program (JCP) with a current NIST score of at least 110. No budget amounts or performance timelines are specified. Responses are voluntary and the government is not obligated to award a contract.