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The Crawlerway is a 130-foot-wide (40 m) [2] double pathway at the Kennedy Space Center in Florida. It runs between the Vehicle Assembly Building and the two launch pads at Launch Complex 39 . It has a length of 3.4 and 4.2 miles (5.5 and 6.8 km) to Pad 39A and Pad 39B , respectively.
The crawler-transporters have featured in television and movies. In a 2007 season three episode of Dirty Jobs, host Mike Rowe helps workers maintain a crawler-transporter and takes the vehicle for a short drive. [18] The crawler was also seen in the 1995 film Apollo 13, the 2011 film Transformers: Dark of the Moon and the 2019 film Apollo 11.
The Mobile Launcher Platform-1 on top of a crawler-transporter. A mobile launcher platform (MLP), also known as mobile launch platform, is a structure used to support a large multistage space vehicle which is assembled (stacked) vertically in an integration facility (e.g. the Vehicle Assembly Building) and then transported by a crawler-transporter (CT) to a launch pad.
Space Shuttle Discovery is carried by a Crawler-transporter, a launch tower is visible in the background. A service structure is a steel framework or tower that is built on a rocket launch pad to facilitate assembly and servicing. An umbilical tower also usually includes an elevator which allows maintenance and crew access. Immediately before ...
The crawler-transporter carried the mobile launcher platform and the Space Shuttle from the Vehicle Assembly Building (VAB) to Launch Complex 39, originally built for Project Apollo. The Shuttle Carrier Aircraft (SCA) were two modified Boeing 747s .
The Vehicle Assembly Building (originally the Vertical Assembly Building), or VAB, is a large building at NASA's Kennedy Space Center (KSC) in Florida, designed to assemble large pre-manufactured space vehicle components, such as the massive Saturn V, the Space Shuttle and the Space Launch System, and stack them vertically onto one of three mobile launcher platforms used by NASA.
The Space Shuttle external tank (ET) carried the propellant for the Space Shuttle Main Engines, and connected the orbiter vehicle with the solid rocket boosters. The ET was 47 m (153.8 ft) tall and 8.4 m (27.6 ft) in diameter, and contained separate tanks for liquid oxygen and liquid hydrogen.
Each crawler weighed 6,000,000 pounds (2,720 t) and was capable of keeping the space vehicle and its launcher platform level while negotiating the 5 percent grade to the pad. At the pad, the ML was placed on six steel pedestals, plus four additional extensible columns. [21]