STS-121 Rollover & Rollout to Pad 39B

STS-121 Rollover to the VAB & Rollout to Pad 39B		© 2005, i/ota Internet Services All rights reserve

May 12, 2006, Discovery was moved from Orbiter Processing Facility Bay 3 to the Vehicle Assembly Building, a major step toward a launch to the International Space Station. On May 19, the crawler transporter carrying Space Shuttle Discovery left the Vehicle Assembly Building at 12:45 p.m. on its 4.2-mile journey to Launch Pad 39B and arrived nearly eight hours later.
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Discovery begins her rollover to the VAB as she backs out of OPF 3	Discovery is carefully backed out of OPF 3	The covered Main Engines

Before beginning her turn in reverse, Discovery is halted as all points on the Orbiter are cleared for the turn	Beginning her turn in reverse, Discovery is cheered by KSC workers	The business end of re-entry

After backing out, Discovery heads to the VAB	The sun flares on Discovery's windscreen	Discovery and the VAB