NASA's Kennedy Space Center in Florida has two of the largest vehicles ever built on treads. Crawler-transporter No. 1 and crawler-transporter No. 2 (CT-1 and CT-2) have carried rockets and spacecraft to the launch pad for the last 50 years.
via Gizmodo http://ift.tt/1Ayd0vi http://ift.tt/1Dz5GBA
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