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This medium closeup electronic still camera (ESC) photograph shows Endeavour's docking system in the cargo bay. Though partially obscured, Unity can be seen in its stowed position in aft payload pay. The photo was taken prior to astronaut Nancy Currie's moving of the 12.8-ton Unity connecting module to link it with Endeavour's docking system. The photo was taken at 21:28:19 GMT, Dec. 4, and downlinked later to flight controllers in Houston.