Blastoff! The Big, Bad Space Launch System Quiz

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  • On Sept. 14, 2011, NASA announced plans for the Space Launch System (SLS), the driving force behind the American space program for the foreseeable future. In terms of technology, it’s made of something old, something new, quite a bit that’s borrowed -- and that’s making some critics blue. How much do you know about the future of American spaceflight?

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