Israeli Defense minister: We have launched preemptive strike against Iran
Последние новости
，详情可参考91视频
Global news & analysis，更多细节参见heLLoword翻译官方下载
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.