The Naval Facilities Engineering Command, Hawaii is conducting market research to identify alternative sources for a specific low expansion synthetic fluorine-free foam (SFFF) concentrate that matches the specifications of the Enviro USP product. The required product must be FM-approved for use with the Viking Grate Nozzle, proportioned at 3% with fresh water, and contain no PFAS for use in aircraft hangar fire protection systems. This is a sources sought announcement only and does not constitute a commitment to issue a formal solicitation. Interested parties with a comparable product must submit a technical data package, limited to two pages in PDF format, along with company contact information. Responses must be submitted to the specified Contracting Officer via email for consideration.