Former NASA administrator Mike Griffin is still insisting he made the correct decision in choosing the Ares 1 rocket to launch astronauts during the Constellation program rather than an upgraded Air Force missile. He cotes probabilistic studies that suggest Ares would be twice as safe as the alternative, and insists crew safety must be a major factor in picking a launcher.
The Obama administration has yet to select Griffin's replacement, so the final decision on the launcher could still be some time away.
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