美国官员警告说,随着NASA从国际空间站转向商业平台的风险. US officials warn of risks as NASA shifts from ISS to commercial platforms.

美国官员和立法者警告说,随着中国在低地球轨道上不断扩大存在的背景下,该国将从老化的国际空间站转向商业平台,风险越来越高. US officials and lawmakers warn of growing risks as the country transitions from the aging International Space Station to commercial platforms, amid China's expanding presence in low Earth orbit. 由于国际空间站处于高风险阶段,官员强调需要仔细规划以避免美国人造航天能力的缺口, 因为NASA计划在2030年之前转向商业平台. With the ISS in its highest-risk phase, officials stress the need for careful planning to avoid a gap in American human spaceflight capability as NASA aims to shift to commercial platforms by 2030.