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"Contains the planet Mercury and all satellites within its gravitational sphere of influence. Entirely under UNSA control, this sector is primarily controlled by China-based interests."
— Description
The Mercury Cluster is an area of the Solar System in Call of Duty: Infinite Warfare. The UNSA mining asteroid Vesta 3 used to be located in the orbit or Mercury before it was shot out of orbit by the Olympus Mons, causing it to spin out of control into the orbit of the Sun.