[KevinDavis]

T-minus 4 minutes. Activation of the APUs is complete. The three units are up and running normally.

And the final helium purge sequence is underway in the main propulsion system. This procedure readies fuel system valves for engine start. In the next few seconds, the aerosurfaces of Atlantis will be run through a pre-planned mobility test to ensure readiness for launch. This is also a dress rehearsal for flight of the orbiter's hydraulic systems.

[GRRRRR]

God, Please keep these guys safe!

Let's ROLL!

Up, Up and AWAY!

Hi Ho Silllver!

Up in the air , Junior Birdman!

Kick the tars, light the fires!