Quote:
Originally Posted by Donger
Yes, it does. The first stage appears to be powered by five of the engines used on the shuttle, with massive help from two shuttle SRBs. The second stage is apparently powered by a single J-2 engine, which powered the second and third stage on the Saturn V.
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And that costs 63 billion dollars?? Is they already is tried and true technology the price tag should be a hell of a lot lower.