特朗普签令，重申2028年登月目标，并在2030年前建立永久月球前哨站的初始设施，指示在月球和轨道上部署核反应堆

Group 1 - The article discusses an executive order signed by Trump, reaffirming the goal of returning to the Moon by 2028 and establishing initial facilities for a permanent lunar outpost by 2030 [1] - The order emphasizes the need for the U.S. to lead in space exploration, security, and commercial sectors, promoting a vision of "America First" in space policy [1] - It includes directives for upgrading launch infrastructure and developing commercial pathways to replace the International Space Station by 2030, aiming to stimulate private sector innovation and investment [1] Group 2 - The order instructs the President's science and technology advisor to coordinate national space policy efforts and mandates federal departments and agencies to collaborate on its execution [1] - It also calls for streamlining procurement processes and implementing relevant space safety strategies to ensure adequate human resources are available to achieve these objectives [1]