The National Institutes for Quantum and Radiological Science and Technology (QST) was established on 1st April, 2016. This new institute, intending to promote research and development in quantum science and technology, integrated the National Institute of Radiological Science, the Nuclear Fusion Sector and the Quantum Beam Application Sector of the Japan Atomic Energy Agency. The Rokkasho Fusion Institute advances research and development for the realization of fusion energy, taking over all the tasks carried out by the Rokkasho Fusion Institute of the Nuclear Fusion Directorate of the Japan Atomic Energy Agency.