STS-121 Discovery rolls out to Launch Pad 39B
5/19/06 ~ 12:45pm first motion


The Space Shuttle Discovery rolls out to Launch Pad 39B in preparation for the STS-121 mission, scheduled to launch July 1st. The 4.2 mile journey took about nine hours to complete.

Back to STS-121 launch photos
A person provides perspective and size comparison for the 18-story-tall Shuttle and 23-story 'stack':
A security helicopter flies near the Shuttle:
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