The Crawlers still remain Earth's largest self-propelled vehicles, doing their job carrying the most powerful vehicle-the 27-million-horsepower space shuttle ... track (or shoe) on the Crawler ...

You hate to see anything come to an end," says Bill Couch, one of only six people certified to drive "the crawler," a massive beast of a machine that carries the shuttle to the pad. The space ...

Big Hog sat atop independent diesel-powered tracks ... Apollo 4 mission to space shuttle Atlantis for the last shuttle mission (STS-135) in 2011. NASA estimates that each crawler has racked ...

"Thinking back on all that the crawler has done in the last 50 years, from the Apollo program to the space shuttle program ... on the eight giant tank-like tracks that propel them forward.

"These upgrades, which included replacing the two massive locomotive engines that provide power to the four sets of caterpillar tracks ... space shuttle. At the end of that 30-year program ...

The four corners of a crawler are supported by pairs of bulldozer-like tracks ... the space center’s Vehicle Assembly Building to launch pad A. Crawlers have carried Apollo and shuttle rockets ...

"We're moving," said a news reporter perched on a catwalk over four giant tracks at the ... re going to take down the crawler and prepare for the next phase of the space program, getting ready ...

CAPE CANAVERAL, Fla. -- Shuttle Discovery and its crew of seven aimed for a Saturday afternoon touchdown at NASA's spaceport to wrap up a successful space station construction mission.At ...

This week's final space shuttle mission is carrying the first iPhone to go into orbit, so it's only fitting that there's a free app for iPhones and iPads that will help us earthbound types track ...

There is long process to get the Space Shuttle into ... and External Tank. The Shuttle is on top of the Mobile Launch Platform (MLP) and is then moved by the Crawler Transporter (CT) to one ...

CAPE CANAVERAL, Fla. – The space shuttle Discovery stands ready for its planned liftoff in two days from NASA's Kennedy Space Center here, on what will be the orbiter's final journey to space.