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Appendix
                                                 8


                Status and Assessment of North Korean Nuclear
                                and Missile Development




            1. Status and Assessment of Nuclear Development


            | Construction of Nuclear Infrastructure  |  Immediately following the Korean War, North Korea began
            the groundwork for the use of nuclear energy, such as basic research and workforce cultivation, while
            carrying out postwar restoration efforts. The physics department of Kim Il-sung University opened a
            nuclear physics course in 1955, followed by the launch of a nuclear physics lab in the Academy of
            Sciences of the Democratic People’s Republic of Korea (formerly known as the "National Academy of
            Sciences") in 1956. That same year, North Korea signed a nuclear cooperation agreement with the
            Soviet Union and sent scientists to the Joint Institute for Nuclear Research in Dubna, establishing the
            foundation for acquiring advanced technologies and training experts. In 1959, North Korea signed a
            nuclear cooperation agreement with China as well. North Korea obtained research reactors with the help
            of the Soviet Union in 1963, with which it began the construction of a large-scale nuclear complex in
            Yongbyon, North Pyongan Province in 1965. At the same time, North Korea developed uranium mines
            and built uranium refineries in Pyongsan, Suncheon, and Bakcheon. Subsequently, North Korea built a
            series of additional nuclear facilities capitalizing on its rich uranium reserve.


            | Full-fledged Nuclear Development | In the 1980s, North Korea
            launched full-fledged nuclear development efforts by building
            production facilities for weapons-grade nuclear materials, training
            nuclear experts, and expanding its infrastructure for nuclear weapon
            development including nuclear test sites. The Yongbyon Nuclear
            Complex saw the construction of key plutonium production facilities
            including nuclear reactors, reprocessing facilities, and nuclear fuel
            rod fabrication facility. North Korea developed a 5 MWe graphite-
            moderated reactor on its own, which was completed and activated
            in 1986. In 1985, it built a radiochemical laboratory capable of
            reprocessing spent nuclear fuel, which was fully activated in 1989.   5 MWe reactor located in Yongbyon
            At the same time, North Korea began the construction of a 50 MWe
            graphite-moderated reactor in the Yongbyon complex with 1995 as the target year and established a
            plan to build a 200 MWe graphite-moderated reactor in Taechon.
             In 1989, North Korea came under suspicion when the Yongbyon Nuclear Complex was discovered by





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