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This is a guided tour I was given by KSC's Crawler Transporter manager, back in 2000. We go throughout the interior and up on the top where the Mobile Launch platform for Apollo Saturn V and later the Space Shuttle stacks are mounted and taken out to the launch pad. You can learn more about these amazing machines at: http://www.nasa.gov/mission_pages/shuttle/behindscenes/crawler-history.html With special thanks for the kind assistance of Kennedy Space Center PAO