NASA Sees Testing SLS In 2017 for $18B
By Frank Morring, Jr. .
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Early cost estimates for the heavy-lift Space Launch System (SLS) that Congress has ordered NASA to build indicate the agency believes it can test an unmanned version of the “core” vehicle selected by Administrator Charles Bolden for about $18 billion by the end of 2017. That previously undisclosed figure, which the agency gave ... |