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Space Shuttle Atlantis dwarfs the vehicles near it as it rolls back to the Vehicle Assembly Building from Launch Pad 39A atop the Mobile Launcher Platform and the crawler-transporter. In the VAB workers will conduct inspections, make continuity checks and conduct X-ray analysis on the 36 solid rocket booster cables located inside each booster’s external system tunnel. An extensive evaluation of NASA’s SRB cable inventory revealed conductor damage in four (of about 200) cables on the shelf. Shuttle managers decided to prove the integrity of the system tunnel cables already on Atlantis before launching. The launch has been rescheduled no earlier than Feb. 6.