NASA's Human Exploration and Operations Mission Directorate faces an integration challenge as it attempts to develop a mobile launch support structure for an evolving Space Launch System (SLS), the agency's inspector general concluded in a Sept. 25 audit. Nonetheless, the IG endorses the agency's plans to modify Constellation program Ares I hardware as the most cost-effective approach. NASA already has invested $234 million in the Ares I mobile launcher at the Kennedy Space Center. Plans to ...

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