"Day 17: Forward drive shaft on Juggernaut-11 has snapped. Requesting replacement drive shaft."
"Day 22: Resubmitting request for replacement drive shaft."
"Day 38: Drive shaft still has not arrived. Please advise."
"Day 50: Awaiting drive shaft."
"Day 123: Awaiting drive shaft."
―Excerpt from log of Imperial machinist stationed on Dathomir[src]

Drive shafts were components used in building Imperial juggernauts. One juggernaut, Juggernaut-11, was stationed on Dathomir where an Imperial machinist found the drive shaft snapped.

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