NASA Seeks to Define Space Station Mission The space shuttle program exists to build the space station. American taxpayers have spent $35 billion in space station hardware and many billions more for shuttle flights. But the orbiting facility is still searching for a purpose. The space agency is struggling to find a role for the partially built facility, even as it shifts its focus to other, even more ambitious projects.

NASA Seeks to Define Space Station Mission

NASA Seeks to Define Space Station Mission

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The space shuttle program exists to build the space station. American taxpayers have spent $35 billion in space station hardware and many billions more for shuttle flights. But the orbiting facility is still searching for a purpose. The space agency is struggling to find a role for the partially built facility, even as it shifts its focus to other, even more ambitious projects.