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NERVA XE was damn near ready to fly during the Apollo era for Mars missions. Would've made a hell of 2nd stage engine. https://en.wikipedia.org/wiki/NERVA http
by marktangotango 7y ago
NERVA XE was damn near ready to fly during the Apollo era for Mars missions. Would've made a hell of 2nd stage engine.
https://en.wikipedia.org/wiki/NERVA https://en.wikipedia.org/wiki/NERVA