Isaacman also said the agency would halt work to develop a more powerful version of the SLS rocket's upper stage, known as the Exploration Upper Stage, or EUS. Instead, NASA will go forward with a "standardized," less powerful stage but one that will minimize major changes between flights and utilize the same launch gantry.
但这些顾虑最终没有改变任何事情。，这一点在WPS下载最新地址中也有详细论述
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Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00573-1。关于这个话题，搜狗输入法2026提供了深入分析
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