Not yet, it isn’t, and if you keep spending as much on development as you have been, it probably never will, like the Ares launchers before it.
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It can do twice that of Falcon Heavy, but Falcon Heavy can do it now. SLS will take more then a few years, at which time the
@SpaceX BFR might be available, which can carry far more then 37 tons to Mars. -
Might be? No dog in this fight btw.
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Don't want to get into arguments either but SLS first launch is 2020 and the BFR won't even begin testing until 2019. SLS began testing years ago, pair that with NASA's hefty budget and you'll see the BFR is at least a few years behind.
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1. If SLS block 1B (let alone block 2) ever flies, it will happen after BFR flies and BFR is a vastly superior rocket. 2. This overpriced jobs program should be canceled as a waste of taxpayers $ 3. A single SLS is not capable of taking people to Mars surface and back to Earth.
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SLS + Orion are consuming around $4B per year from NASA budget - it's not a viable self-sufficient program, but a Congress-mandated jobs program. Atlas V, Vulcan, New Glenn, Falcon 9/Heavy etc. are proper competitors.
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More evidence that titled towers is going to be destroyed
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Nothing up there but space rocks, waste of time
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Too big. Where we gonna put that thing?
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I'd rather have $10,000 quadrillion dollars and crush the New World Order, and their errand boys at the Federal Reserve.
@potus
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Can you reuse it?
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Why do we keep avoiding the moon?
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Have you flown the SLS yet? Because SpaceX has flown the Falcon HD. So if you are talking about future vehicles, you should compare SLS to the SpaceX BFR.
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At the cost of 5 rockets from competitors
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