The Department of Defense, through the United States Space Force (USSF), is seeking to extend the Global Positioning System Contract Segment Sustainment II (GCS II) with Lockheed Martin Services LLC (LMS) for sustainment support of the GPS Control Segment until December 31, 2028. This extension aims to facilitate the transition to a competitive contract for the Next Generation Operational Control System (OCX) while addressing critical operational and cybersecurity needs associated with the launch of GPS III satellites. The contract encompasses a range of services, including hardware and software maintenance, cybersecurity, system administration, and training, ensuring minimal disruption to ongoing operations. Interested parties must submit a Statement of Capability within 15 calendar days to the primary contact, Matthew J Buchanan, at matthew.buchanan@spaceforce.mil, or the secondary contact, Chris Cook, at christopher.cook.62@spaceforce.mil, as this notice does not constitute a formal Request for Proposal (RFP).