At Launch Complex 41 at Cape Canaveral Air Force Station in Florida, workers monitor an overhead crane as it lowers the Centaur upper stage for the United Launch Alliance Atlas V into position.
Once in position, the upper stage will be attached to the Atlas V booster stage, already at the pad.
August 5, 2011 4:00 AM PDT
Photo by: NASA/JPL
| Caption by: James Martin
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