Space Shuttle Discovery is bathed in evening light after removal of the rotating service structure at Launch Pad 39B.› View Image Feature
STS-121 mission crew land at Kennedy Space Center to prepare for launch day.› View Arrival Gallery
The crew of STS-121 visited Kennedy Space Center for three final days of training in preparation for a July liftoff.› View Video (Real) →
Crew rehearses countdown before launch.› View Rehearsal Gallery
Discovery made its slow but steady journey to the launch pad.› View Video (Real) →
The STS-121 payloads are packed up and delivered to the launch pad.› View Video (Real) →
The space shuttle rests on launch pad 39B at NASA's Kennedy Space Center, Fla.› View Rollout Gallery
Discovery joins its boosters and tank in the Vehicle Assembly Building.
David Fraine discusses going to sea for NASA.› View Video (Real) →
Solid rocket boosters are retrieved at sea so they can be used again in launching shuttles.› View Video (Real) →
Shuttle Engineer Bill McQuade discusses his work and his deployment to Baghdad.› View Video (Real) →
STS-1 crew members Young and Crippen share memories of the first space shuttle mission.› View Video (Real) →
External tank 119 rolls into the Vehicle Assembly Building.
Solid rocket booster stacking for STS-121 is underway at Kennedy Space Center.
NASA's twin crawler transporters celebrate 40 years on the job.› View Video (Real) →
Space Shuttle Endeavour is fully powered for the first time in nearly two years.
What does it take to carry an orbiter across the country on a 747?› View This Video
NASA's Return to Flight mission was filled with firsts.› View This Video
Discovery returns home to Kennedy after a deorbit landing at Edwards Air Force Base.› View This Video
Discovery, riding piggy-back on the 747 makes a picture-perfect landing at Kennedy.› View This Video