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AlexLuck9 Part of me wonders whether this is an effect of new precision in procurement, rather than something inherently wrong with the KC-46. Earlier jets had myriad issues on EIS, and they were often fixed by maintainers in the field or with many, many revisions to the airframe.
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AlexLuck9 The B-52 and B-17 both ended up with at least 8 series production models.