GPS Ground Segment Monitor Station Service (MSS)

Section 1: General Information Pursuant to Revolutionary Federal Acquisition Regulation (FAR) Overhaul (RFO) 15.101(c), this is a Sources Sought Notice/ Request for Information (RFI) only. This notice is issued solely for conducting market research and planning purposes in accordance with RFO Part 10 and RFO Part 5. This announcement is for Market Research only and does not constitute a commitment, promise, or obligation by the Government to issue a Request for Proposal (RFP), Invitation for Bid (IFB), or solicitation of any kind. The Government will not award a contract based on responses to this notice. The Space Force Portfolio Acquisition Executive (SFPAE) for Satellite Communications and Positioning, Navigation and Timing (SATCOM and PNT) is not seeking proposals at this time and will not accept unsolicited proposals. Respondents are advised that the Government will not pay for any information, bid preparation costs, or administrative expenses incurred in responding to this notice. Acquisition Attribute Program Baseline Details Notice ID / Solicitation Number SSC-GCS-MSS-SSN-2026 Sponsoring Agency / Office United States Space Force (USSF) / Space Systems Command (SSC) / MD31 Product Service Code (PSC) 1677 (Space Vehicle Remote Control Systems) North American Industry Classification (NAICS) 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)) Classification & Security Controlled Unclassified Information (CUI) / SECRET Facility Clearance Required Response Date & Time 8 December 2026 at 3:00 PM MST Primary Points of Contact Mr. Daniel Hilger, Procuring Contracting Officer (PCO) Mr. Carl Griffin, Civil Navigation (CNAV) Project Lead Section 2: System Background & Scope of Work 2.1 Background The USSF is actively modernizing the GPS Ground Control Segment (GCS) to deliver enhanced Positioning, Navigation, and Timing (PNT) resilience and operationalize modernized civil and military signals. As pa