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After successfully arriving at Kennedy Space Center’s Launch Complex 39B, Exploration Ground Systems’ mobile launcher continues its journey atop crawler-transporter 2 up to the pad surface on June 28, 2019. The mobile launcher began its final solo trek to the pad at midnight on June 27, departing from NASA’s Vehicle Assembly Building. The mobile launcher will remain at the pad over the summer, undergoing final testing and checkouts. Its next roll to the pad will be with the agency’s Space Launch System rocket and Orion in preparation for the launch of Artemis 1.