Astronaut Barbara Morgan grapples the External Stowage Platform No. 3 (ESP-3) with the shuttle's robot arm at 9:13 a.m. The arm will maneuver the 7,000-pound payload in reach of the station's robot arm, which will perform the actual installation task.
Source: NASA TV (8 min 41 sec MPEG-4 (H.264) file)
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