This is an active market-research RFI for information on Multi-Source PNT user equipment, and the notice explicitly says it is not an RFP or a promise of a future solicitation. It seeks technical information on terrestrial military and space-service-volume equipment, including supported signals and security, cybersecurity, supply-chain, and data-rights capabilities; responses are submitted through DoD Safe. SAM.gov lists the response date as November 16, 2027 at 2:00 PM MST, while the notice's detailed instructions say final responses are due November 16, 2026 at 1400 Mountain Time.