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For the past 8 years, NASA and the science community have been struggling with how to best use their modest budget. Many would prefer unmanned missions like the various space telescopes and planetary probes. Unmanned is cheaper, and you can do more targeted scientific missions than if you add "manned" to the missions. The previous administration seemed to have an interest in manned missions, but I also never understood the why behind it. It may have had little to do with a scientific/technological vision, but, we may never know.
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Jim R.
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