* Astronomy

For more than 40 years, the twin crawler-transporters at NASA's Kennedy Space Centre have slowly travelled the gravel track between the massive Vehicle Assembly Building and the two launch pads at Launch Complex 39.
These mammoth beasts that first carried all the Apollo Saturn V rockets have since borne every space shuttle on the last Earth-bound leg of their journeys to space.
The technology used to build these huge, reliable crawlers capable of such Herculean tasks was deeply rooted in a region where giant machines excavated and extracted veins of coal.



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