Chinese satellites SJ-21 and SJ-25 have successfully docked in geosynchronous orbit, marking a significant achievement in high-altitude operations. The Shanghai Academy of Spaceflight Technology has indicated that SJ-25 aims to verify technologies for satellite fuel replenishment. SJ-21 previously demonstrated satellite disposal techniques by docking with a defunct Beidou satellite. These advancements in orbital capabilities raise considerations regarding their dual-use nature, highlighting both civilian and military applications, particularly in enhancing or disabling satellites from other nations.
Chinese satellites SJ-21 and SJ-25 merged on July 2, indicating a potential high-altitude orbital refueling capability, enabling possibly military applications such as disabling foreign satellites.
SJ-25 is focused on verifying satellite fuel replenishment technologies, while SJ-21 demonstrated space debris mitigation by towing a defunct satellite to a higher orbit.
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