# Four Operating Modes Tested: Space Refueling Moves Closer to Reality - Date: 2026-04-02 - Category: Space & Aerospace Four modes green. Commercial data unusual for a Chinese startup this size. But 10–20 GEO satellites per year run dry from fuel depletion, and the US has four refueling missions launching in 2026. On-orbit refueling just crossed from demo to infrastructure. ---