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"NASA's space shuttles are gearing up to make their final voyages \u2014 this time flying piggyback a special Boeing 747 jet on the way to museum retirement homes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/how-nasa-moves-space-shuttles-the-ultimate-piggyback-ride>