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Back to the Apollo-era approachBeyond the near-term, Isaacman said NASA will standardize the current moon rocket configuration instead of evolving the design after only a few flights, as originally planned. The goal is to avoid turning each booster into a bespoke project and instead fly a simpler, repeatable version that industry can achieve quicker.,详情可参考WPS官方版本下载
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"My grandson is devastated," he said, "but we've resigned ourselves to the fact that we've got to go".