The 65th meeting of the U.S. Government’s Civil GPS Service Interface Committee (CGSIC) will be hosted by the U.S. Department of Transportation (DOT) Office of Positioning, Navigation, Timing (PNT) & Spectrum Management and the U.S. Coast Guard (USCG) Navigation Center (NAVCEN). The meeting will be held on 20 & 21 April 2026 at the Department of Transportation Headquarters building in Washington, DC. DOT serves as the civil lead for the Global Positioning System (GPS) and chairs the CGSIC in this capacity. NAVCEN fulfills duties as Deputy Chair and Executive Secretariat for the CGSIC.