Core Viewpoint - The executive order signed by President Trump on December 18 aims to establish a vision for a "America First" space policy, ensuring U.S. leadership in space exploration, security, and commercial sectors [1][4]. Group 1: Moon Mission Objectives - The order mandates a return to the Moon by 2028 and the establishment of initial facilities for a permanent lunar outpost by 2030 [3][6]. - It includes directives for deploying nuclear reactors on the Moon and in orbit to support these objectives [3][6]. Group 2: Infrastructure and Innovation - The order emphasizes upgrading launch infrastructure and developing commercial pathways to replace the International Space Station by 2030, aimed at stimulating private sector innovation and investment [3][6]. - It instructs the President's science and technology advisor to coordinate national space policy efforts and directs federal departments and agencies to implement the order, including streamlining procurement processes and ensuring adequate human resources [3][6].