The Air Force Technical Applications Center at Patrick SFB, Florida intends to award a sole-source follow-on IDIQ contract to Linde Special Projects for high-precision atmospheric gas analysis services supporting the GASTON program. The contractor will perform routine gas chromatograph assays on approximately 9,400 samples annually, noble gas/VOC separation and radioassays, and maintain government-furnished equipment. Mandatory qualifications include an active NRC Radioactive Materials License and a SECRET-cleared facility with personnel eligible for CNWDI/RD access. The anticipated award date is 15 November 2027. Interested parties may submit a capability statement for the agency's consideration.