It was a small step for man, but now lawmakers want to take a giant leap -- and make parts of the moon a national park.

Representatives Donna Edwards of Maryland and Eddie Bernice Johnson of Texas say they want to protect artifacts left behind by U.S. astronauts from future commercial development.

The national park designation would only apply to the American flags, lunar rover and other objects from the Apollo missions 11 through 17. No ground on the moon would be included, though the proposed bill requires that Neil Armonstrong's first footprints be declared a UNESCOWorld Heritage Site.

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