Mobile Launcher Rolls to Pad 39B for Wash Down.
From Wikivideos
Source: images.nasa.gov
Video source record: https://images.nasa.gov/details-KSC-20201020-MH-FMX01_0001-Mobile_Launcher_Roll_Back_to_Pad_Run_2_Timelapse-3261464
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Summary
| Description | Mobile Launcher rolls to Pad 39B for wash down. |
|---|---|
| Date | 2020-10-20 |
| Source | images.nasa.gov |