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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.
Months before a launch, the three stages of the Saturn V launch vehicle and the components of the Apollo spacecraft were brought inside the Vehicle Assembly Building (VAB) and assembled, in one of four bays, into a 363-foot (111 m)-tall space vehicle on one of three Mobile Launchers (ML).
The crawlers traveled along the 5.5 and 6.8 km (3.4 and 4.2 mi) Crawlerways, to LC-39A and LC-39B, respectively, at a maximum speed of 1.6 kilometers per hour (1 mph) loaded, or 3.2 km/h (2 mph) unloaded. [8] [11] The average trip time from the VAB along the Crawlerway to Launch Complex 39 is about five hours. [1]
The Green Run campaign ended in May 2021, after a successful hot-fire test, and the first core stage was shipped to Kennedy Space Center and moved into the Vehicle Assembly Building, where it underwent further work ahead of integration as the core of the first SLS. [48] CS-1 lifted in the VAB for stacking ahead of Artemis I
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.
Launch Complex 39A (LC-39A) is the first of Launch Complex 39's three launch pads, located at NASA's Kennedy Space Center in Merritt Island, Florida.The pad, along with Launch Complex 39B, was first constructed in the 1960s to accommodate the Saturn V launch vehicle, and has been used to support NASA crewed space flight missions, including the historic Apollo 11 moon landing and the Space Shuttle.
Launch Complex 39B (LC-39B) is the second of Launch Complex 39's three launch pads, located at NASA's Kennedy Space Center in Merritt Island, Florida.The pad, along with Launch Complex 39A, was first designed for the Saturn V launch vehicle, which at the time was the United States' most powerful rocket.
SA-500F was assembled in the Vehicle Assembly Building where it was mated to S-IC-F on March 28 and S-IVB-F the next day. SA-500F was completed in the Vehicle Assembly Building (VAB), tested for stability against swaying in the wind, [35] and rolled out to the launch pad May 25, 1966, on Mobile Launcher-1 (ML-1). S-II-F/D arrives at MSFC.