 They will use the Vehicle Assembly Building High Bay 2 to assemble the rocket, and crawler-transporter 1 to move the rocket to LC-39B for launch.The Crawler-Transporters were used as the mobile part of the pad with the Shuttles; the two vehicles were deactivated and are being upgraded for the Space Launch System.The crawlerways used for transporting launch vehicles from the VAB to the twin pads of KSC are also being extensively renovated for the Artemis program.