So Now You Know

Kennedy Space Center's "Crawlers" are huge. Each the size of a baseball diamond weighs 3,000 tons; two diesel engines produce a total of 5,500 horsepower; and it takes a crew of more than a dozen to operate. Crawlers even have their own road, about the width of an eight-lane highway.It has one job: to transport the space shuttle, mounted on a Mobile Launcher Platform -- combined, they weigh 5,500