Space Shuttle Atlantis rolled out of its processing facility Wednesday – the last time a shuttle will be prepped for orbit.

Space Shuttle Atlantis is backed out of the orbiter processing facility (OPF).

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Atlantis was rolled over to the vehicle assembly building (VAB) that can be seen in the background.

Atlantis is attached to heavy duty cranes once it enters the building.

A technician attaches Atlantis to cranes that will lift it vertically into the “high bay” for attachment to the already assembled fuel tank and rocket boosters.

Atlantis being lifted and put into the vertical position.

Atlantis on the crane about to be lifted into the high bay.

Another shot of Atlantis on the way to the high bay.

Watch a time lapse video the launch preparation process courtesy of YouTube user okuyamamasao