Operated by ESA (prime: Telespazio; satellites: Thales Alenia Space + SSTL)
ESA's lunar comms+nav constellation: 4 navigation satellites + 1 comms satellite in elliptical lunar orbits. Provides high-speed, low-latency relay to Earth and precise PNT signals for autonomous landings and surface mobility. First satellite (Lunar Pathfinder) enters service 2027. Open to international users; complements LunaNet interop standard.