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America's next fleet of spaceships will have to double as lifeboats
Right now, there are six people living and working in the International Space Station as it hurtles around our little oasis among the stars. That thought alone is astonishing/freaky enough until you realize the sheer number of things that could go wrong (Gravity, anyone?). That's why it's no surprise that NASA wants the new ships that'll ferry people and supplies to the ISS to act as lifeboats in case things up there take a turn for the worse.
