Workers can be seen attaching one segment of a large crane around Atlantis to raise off the transporter into a vertical position.

In this closeup, workers can be seen attaching one segment of a large crane around Atlantis to raise it off the transporter into a vertical position. Once it is raised, Atlantis will be lifted into high bay 3 of the Vehicle Assembly Building. Then the orbiter will be lowered and mated with the external tank and solid rocket boosters already stacked on the mobile launcher platform. Atlantis' launch window begins Aug. 28. During its 11-day mission to the International Space Station, the STS-115 crew of six astronauts will install the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/George Shelton