The Liberty launch vehicle combines the proven systems from NASA's space shuttle fleet and Europe's Ariane 5 expendable rocket. This graphic shows how they combine into the new ATK-Astrium Liberty ... more 
The Liberty launch vehicle combines the proven systems from NASA's space shuttle fleet and Europe's Ariane 5 expendable rocket. This graphic shows how they combine into the new ATK-Astrium Liberty rocket. less 
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SPACE.com | Photo By ATK
Wed, May 9, 2012 9:12 PM EDT