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NASA rejects Blue Origin’s offer of a cheaper upper stage for...

Price is no object — Each launch of the SLS rocket may cost on the order of $2 billion. Eric Berger - Nov 5, 2019 2:36 pm UTC Enlarge / A video still showing an Exploration Upper Stage in flight.NASAOn Halloween, NASA posted a document that provides some perspective on the agency's long-term plans for…

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