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My rover runs on nuclear power and the power spins so that dust will not get on it. It also has a mast and a high gain antenna. The dirt will be sucked up by a vacuum and put in storage. It also has arms to pick up things that could also go into storage. On the bottom of the USA 22 there are hazcams and wheels that are very heavy duty. The USA 22 can get lots of challenges done in a very patriotic way!