Flat Juliette, you seem to really like rockets and space craft. Perhaps, you should study math and science to become an engineer or even an astronaut. I know quite a few and they started out just like you. The 3 rockets and spacecraft around you are competing to get NASA astronauts back to the International Space Station in just 3 years. The Space Shuttle was designed and manufactured to construct and rendezvous with a space station and it completed its mission and has been retired. SpaceX, Sierra Nevada, and Boeing are what's next. www.nasa.gov/commercialcrew

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