The Air Force Research Laboratory at Wright-Patterson Air Force Base seeks to purchase three heavily shielded ultra-low background gas flow alpha/beta counters. This notice is a Sources Sought/Request for Information for market research only, not a solicitation or request for quotes. Interested small businesses must demonstrate their capability to meet the minimum requirements, including company details, relevant experience, product specifications, and potential teaming arrangements. The government will not accept quotes or pay for any preparation costs, and all submissions become government property. Responses will inform the government’s initial review of market capabilities for this requirement.