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Inside High Bay 3 of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida, the work platforms have been retracted from around the Artemis I Space Launch System atop the mobile launcher on Sept. 20, 2021. All 10 levels of platforms were extended and retracted as part of an umbilical test. During the test, several umbilical arms on the mobile launcher were extended to connect to the SLS rocket. They swung away from the launch vehicle, just as they will on launch day. NASA and Jacobs teams will continue conducting tests inside the VAB before transporting the Orion spacecraft to…