This is a Notice of Intent to award a sole source contract to Siemens Healthcare Diagnostics Inc. for reagents and maintenance services for a Siemens CA-660 device at Naval Hospital Guantanamo Bay. The contract includes a Base Period plus four Option Years and one six-month Option period. The requirement includes providing specific, identically lot-numbered reagents and comprehensive on-site maintenance, including all necessary parts and labor. While this is not a formal solicitation, interested parties may submit a Capabilities Statement by a specified deadline to challenge the sole source decision. All inquiries must be submitted in writing to the designated email contacts.