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Workers stand on the surface of Launch Pad 39B at NASA’s Kennedy Space Center in Florida on Oct. 23, 2020. They are monitoring launch countdown timeline demonstration activities occurring on the mobile launcher for Artemis I. The nearly 400-foot-tall mobile launcher is at the pad while engineers with Exploration Ground Systems and Jacobs complete several tasks, including a timing test to validate the launch team’s countdown timeline, and a thorough, top-to-bottom wash down of the mobile launcher to remove any debris remaining from construction and installation of the umbilical arms. Artemis I …
