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REX (Regolith EXcavator) has two cameras, one is attached to the drill and the other is on his back. He has solar power and a high gain antenna. He has mesh wheels to handle the lunar terrain and the mesh helps hold him to the ground which is important due to the low gravity. His drill is supposed to resemble the Curiosity drill. The small canister contains the regolith and the big can is circuits and battery for the antenna and cameras.