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Science 30 January 2004:
Vol. 303. no. 5658, pp. 617 - 618
DOI: 10.1126/science.303.5658.617
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News Focus

REMAKING NASA:
Versatility Is the Object for New Crew Vehicle

Charles Seife

Can one vehicle really replace the shuttle, go to the moon, and take humans to Mars? NASA hopes industry comes up with the right answer.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)