ML Moves Towards Explorations Mission 1, Roll to the VAB

NASA's mobile launcher atop crawler-transporter 2 travels slowly along the crawlerway on Sept. 7, 2018, on its way to the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. The 380-foot-tall mobile launcher is equipped with the crew access arm and several umbilicals that will provide power, environmental control. Pneumatics, communication and electrical connections to the agency's Space Launch System and Orion spacecraft. Exploration Ground Systems is preparing the ground systems necessary to launch SLS and Orion on Exploration Mission-1, missions to the Moon and on to Mars.