Knowing what we now know about RS-25 engine costs ($146 million each); using Tory’s formula below, the true cost of an SLS launch is about $3.5 billion. I would not doubt it. https://t.co/qhxCrJse1I
— Eric Berger (@SciGuySpace) May 4, 2020
via Twitter https://twitter.com/SciGuySpace
May 04, 2020 at 07:02AM
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