Mobile Launcher 1 (ML1, or ML) is on its way back to the Vehicle Assembly Building (VAB) at the Kennedy Space Center after successfully launching the SLS rocket and Orion/European Service Module duo ...

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CAPE CANAVERAL—The 380-ft. (116-m) tall mobile launcher that will serve as the construction base and launch platform for NASA’s heavy-lift Space Launch System (SLS) rocket and Orion deep-space capsule ...