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Unmanned Precursor Missions before Human Exploration
Drkskywxlt
post Sep 14 2006, 07:16 AM
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Since the VSE came out a few years back, I've seen occasional references to the need of having precursor missions to Mars seperate from the robotic exploration program to test such technology as in-situ resource utilization, long term radiation levels, etc. Has anyone heard any more concrete plans for such missions? I've not yet seen anything in NASAs budget that seems to be working in that direction (besides some Earth-based research).
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Phil Stooke
post Sep 14 2006, 03:18 PM
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"Of course, the whole VSE could be cancelled if an anti-space politician gets in office in 08."

People do say this, but you have to wonder what would replace it. No president is likely to abandon human space flight altogether - or certainly no Congress to approve cancellation. Even Nixon couldn't quite bring himself to do it. And costly as it is, it's such a small fraction of the federal budget that cancelling it outright doesn't achieve very much. So what's left? The status quo doesn't satisfy anybody. I think the Vision might be modified, but it's not likely to be seriously threatened.

Phil


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Drkskywxlt
post Sep 15 2006, 06:32 AM
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QUOTE (Phil Stooke @ Sep 14 2006, 05:18 PM) *
"Of course, the whole VSE could be cancelled if an anti-space politician gets in office in 08."

People do say this, but you have to wonder what would replace it. No president is likely to abandon human space flight altogether - or certainly no Congress to approve cancellation. Even Nixon couldn't quite bring himself to do it. And costly as it is, it's such a small fraction of the federal budget that cancelling it outright doesn't achieve very much. So what's left? The status quo doesn't satisfy anybody. I think the Vision might be modified, but it's not likely to be seriously threatened.

Phil


What I think could happen is that the VSE has the goal dates for a Moon landing removed and forces NASA to turn the Orion into an ISS transport with nebulous possibilities for future travel to the Moon and Mars. This hypothetical politician would say, "Why waste the ISS after spending upteen billions to construct it?. Let's get all the good science (all scientists roll eyes) out of it we can and not abandon it to a complicated, costly Moon project."

As for the budget benefits of cancelling it, NASA always seems to come under the gun for cuts because their programs have such high-visibility among Congress and the public. This high-visibility is a strength and liability for those in favor of sustainable NASA funding.
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climber
post Sep 15 2006, 08:17 AM
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QUOTE (Drkskywxlt @ Sep 15 2006, 08:32 AM) *
What I think could happen is that the VSE has the goal dates for a Moon landing removed and forces NASA to turn the Orion into an ISS transport with nebulous possibilities for future travel to the Moon and Mars. This hypothetical politician would say, "Why waste the ISS after spending upteen billions to construct it?. Let's get all the good science (all scientists roll eyes) out of it we can and not abandon it to a complicated, costly Moon project."

That make sense to consider such an hypothesis. But, as you know, this is a "pay as you go" project so, if we can start Aries 5 (work is already in progress), then 3rd stage escape/stage, Lunar module, they will be no turn around. This is one possible reason Nasa is pushing so hard to implement VSE, and if (big IF) they can build Orion cheaper (or faster with same price) than scheduled (it's what I read), Nasa will get a new reputation before Congres and THIS could change the whole picture. I know, I'm an optimistic guy smile.gif


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