Ben Harrison provides this PDF which makes the interesting assertion that...
HLLV [the SLS] will require 80 years to achieve this level of reliability heritage [that current commercial vendors have already shown] being launched just once every other year [in order to provide the same amount of fuel to a depot.]I wish they'd just say it in a way that didn't require me to add all the qualifiers which they spread out in the text.
Bigelow says Orion is unnecessary.
I agree.
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