The document discusses R&D and innovation in support of the UK's current nuclear operations. It outlines the UK's objectives of undertaking fission-related research to support its nuclear aspirations as well as maintaining world-leading nuclear facilities. It describes capabilities across the UK nuclear industry and research institutions, including expertise in areas like fuel development, nuclear physics, and waste management. Current R&D programs focus on supporting existing reactors and fuel cycle operations, as well as addressing challenges like legacy waste, decommissioning, and disposal of radioactive materials.