Office of Science and Technology Policy (OSTP) initiated the National Initiative for American Space Nuclear Power via National Science and Technology Memorandum 3 (NSTM-3) on April 14, 2026. This directive aims to accelerate advancements in space nuclear power technology, enhancing the U.S. capabilities in sustainable energy solutions for future space missions and exploration endeavors.

White House Office of Science and Technology Policy launched the National Initiative for American Space Nuclear Power to advance space nuclear power and propulsion technologies. This initiative aims to enhance U.S. capabilities in space exploration and energy generation, reflecting a renewed focus on nuclear solutions for future missions. The initiative builds on historical efforts in this domain.

Pentagon and NASA will collaborate on design competitions under the National Initiative for American Space Nuclear Power, aiming to demonstrate space-based nuclear power by 2031. This initiative seeks to enhance U.S. capabilities in nuclear energy for space applications, with both agencies working in parallel to develop innovative solutions that could transform future space missions and operations.