The U.S. Air Force is seeking information from vendors capable of providing a turnkey design-build solution for an ICD 705-compliant SCIF within an existing building at RAF Mildenhall, United Kingdom. This is a Request for Information (RFI) only and does not constitute a commitment to issue a future solicitation. Responses are due by 01 May 2026 at 12:00 PM Eastern Standard Time. No budget information was specified in the description. The location for performance of services is Royal Air Force Mildenhall, United Kingdom.