The purpose of this legislation is to enhance the United States' leadership in high-energy astrophysics by establishing national hubs dedicated to this field. The bill emphasizes the importance of supporting astrophysical observatories and ensuring that the U.S. remains at the forefront of research and innovation in high-energy astrophysics. Key provisions of the bill require the Administrator of NASA to designate specific facilities as national high-energy astrophysics hubs.