
Staging Progression
Two minutes after launch, space shuttle Discovery’s twin Solid Rocket Boosters burn out and separate from the orbiter, to fall back to the Atlantic ocean for retrieval.

Roll Program
Space shuttle Discovery, STS-133, performs her roll program after clearing the tower at Launch Complex 39A.

Level Roll
Pulling level with the roof of the Vehicle Assembly Building, space shuttle Atlantis (STS-132) has completed enough of her roll manouever to see directly between the External Tank and the orbiter itself.

VAB Liftoff
Space shuttle Atlantis, STS-132, clears the tower as seen from the roof of the Vehicle Assembly Building.