NASA Artemis I rocket umbilical test.
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Previously:
https://www.homemadetools.net/forum/...433#post185476
https://www.homemadetools.net/forum/...607#post170442
https://www.homemadetools.net/forum/...874#post152596
https://www.homemadetools.net/forum/...493#post110756
https://www.homemadetools.net/forum/...905#post187026
