美国政府签行政令支持NASA登月计划及太空核能，通用航空ETF基金(561660)备受关注

Group 1 - The core viewpoint of the news is that the U.S. is prioritizing its space policy to lead in exploration, security, and commercial sectors, with a goal to return to the Moon by 2028 and establish a permanent lunar outpost by 2030 [1] - The executive order signed by Trump emphasizes the need for upgrading launch infrastructure and developing commercial pathways to replace the International Space Station by 2030, which is expected to stimulate innovation and investment in the private sector [1] - The recent establishment of commercial aerospace companies and the introduction of a three-year plan for commercial aerospace development highlight the importance placed on this sector [1] Group 2 - The Zhongzheng General Aviation Theme Index (931855) has shown a strong increase of 2.28%, with notable gains in constituent stocks such as Four Creation Electronics (10.02% increase) and Guanglian Aviation (6.11% increase) [1] - The General Aviation ETF Fund (561660) has risen by 1.91%, reflecting positive market sentiment towards the general aviation sector [1] - The Zhongzheng General Aviation Theme Index includes 50 listed companies involved in aviation materials, components, and operations, which collectively represent the overall performance of the general aviation sector [2]