China launches twin Long March missions to expand GuoWang and Thousand Sails megaconstellations
China launched two Long March missions this week — a Long March‑8 from Hainan carrying 18 communications satellites for the Thousand Sails project, and a modified Long March‑6A from Taiyuan that delivered five satellites as the 21st group for the state‑backed GuoWang low‑Earth‑orbit internet constellation.