Shutting off the private sector route
Matthews also discusses a report(pdf) by NASA's Aerospace Safety Advisory Panel, which, among other things, addresses the issue of US crew spaceflight capability between the shutdown of the Shuttle program in 2010 and the 2015 start up of Ares I/Orion. With regard to COTS, the report states:
3. Private Sector. The ASAP concludes that the private sector cannot bridge the gap.These are remarkably weak arguments to justify cutting off the only viable route to attaining US crew spaceflight capability before 2015. Firstly, as is typical is such pronouncements, they do not address the enormous difference in the budgets involved. As I've noted before, even with COTS-D the Falcon 9/Dragon project will cost NASA about a factor of 100 less than Ares 1/Orion (~$500M vs ~$50B). A relatively small amount of money could accelerate the project and produce "evidence" that the gap could be minimized. Unfortunately, by the time there is such evidence at the current pace, the delay will probably fulfill the ASAP prediction. Regarding the second point, Elon Musk has repeatedly emphasized that F9/Dragon was designed from the beginning for human spaceflight capabilities and to meet the human rating requirements. With respect to the third point, we should know by 2010 or so if the Dragon can dock with the ISS. And if there is some problem, there is no evidence that a modest amount of additional funding could not fix it.
[1] There is no evidence that Commercial Orbital Transportation Services (COTS) vehicles will be completed in time to minimize the gap.
[2] COTS vehicles currently are not subject to the Human-Rating Requirements (HRR) standards and are not proven to be appropriate to transport NASA personnel.
[3] The capability of COTS vehicles to safely dock with the ISS still must be demonstrated.
The fact is, if SpaceX manages to launch the Falcon 9 successfully this year, these sort of arguments will be swept aside and there will be a strong push to support manned capabilities with it. If they are unsuccessful, then COTS-D will not happen.
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Meanwhile, NASA goes with its preferred option: NASA buys 24 seats aboard Russian Soyuz space vehicles - DC Space News Examiner
Posted 04/17/09 | 07:42:28 by TopSpacer | Filed under: NASA Exploration Systems


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