Core Insights - The investment thesis for nuclear energy is expanding beyond electricity demand to include space exploration, with NASA's recent successful cold-flow test for a flight reactor marking a significant milestone since the 1960s [1] - Nuclear propulsion offers benefits such as reduced travel times and enhanced mission capabilities, positioning it as a key technology for deeper solar system exploration [1] - The U.S. government is committed to advancing nuclear technology, exemplified by the NASA and Department of Energy partnership to deploy a fission surface power system on the Moon by 2030 [1] Nuclear Applications - The nuclear renaissance is not limited to propulsion; it also encompasses infrastructure and medical applications, with lunar missions targeting reactors that can operate for 10 years in the lunar night [1] - Key players in the nuclear sector include: - Mirion Technologies (MIR), which focuses on medical isotopes and radiation safety [1] - Nano Nuclear Energy (NNE), which is seeking commercial partnerships for its micro-modular reactor designed for extraterrestrial use [1] - Lockheed Martin (LMT), which provides digital integration for space missions [1] - The Range Nuclear Renaissance Index ETF (NUKZ) includes these companies, with LMT being one of its top three holdings, making it a primary investment vehicle for those interested in nuclear advancements [1]