By the early 2020s, China and Russia will have robotic spacecraft threatening our satellites particularly those at the geosynchronous orbits, which are difficult to reach by other types of antisatellite weapons (ASATs). We have suggested that DARPA’s developing spacecraft for robotic servicing of geosynchronous satellites (RSGS) should also serve as bodyguard spacecraft to protect our critical satellites against adversaries’ robotic servicing spacecraft being used as ASATs.
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