spaceflightnow.com
1415 GMT (10:15 a.m. EDT)
The truss is up and out of the payload bay now. The arm will be maneuvering the structure over the shuttle wing and then upward to the station's arm.
spaceflightnow.com
1435 GMT (10:35 a.m. EDT)
The truss, riding on the end of Atlantis' robot arm, has arrived in the handoff location for the station's arm to grab it.