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Why We Explore
From the time of our birth, humans have felt a primordial urge to explore -- to blaze new trails, map new lands, and answer profound questions about ourselves and our universe.
Space Launch System and Multi-Purpose Crew Vehicle Preliminary Report (PDF)
NASA prepared this preliminary report regarding NASA's plans for developing a Space Launch System (SLS) and Multi-Purpose Crew Vehicle (MPCV) in response to direction in Section 309 of the NASA Authorization Act of 2010.