The Jet Propulsion Laboratory (JPL) is seeking information from qualified vendors on their capability to support spacecraft and payload guidance, navigation, and control (GNC) development, including design, algorithms, simulations, flight software, and on-orbit operations. This Request for Information (RFI) is for planning purposes only and does not constitute a solicitation or commitment to procure services. Responses will be reviewed by JPL and may inform a future solicitation, with potential consideration for a Small Business Set-Aside procurement under NAICS code 541715. All responses must be submitted electronically by 3:00 PM Pacific Time on June 5, 2026. No budget or location for performance of services is specified.