Knowra North Korean nuclear program North Korean nuclear program North Korea’s effort to develop nuclear weapons and delivery systems, including ballistic missiles. It encompasses nuclear materials production, weapons development, testing, and military deployment.
Yongbyon Nuclear Scientific Research Center : North Korea’s principal nuclear research complex, with facilities for producing and processing nuclear material. Its reactor and reprocessing facilities have been central to the program’s plutonium pathway.
Soviet–North Korean relations : The political and military relationship between the Soviet Union and North Korea during the Cold War. Soviet assistance helped establish North Korea’s early nuclear research infrastructure.
United Nations Security Council sanctions against North Korea : Restrictions imposed by the UN Security Council in response to North Korea’s nuclear and missile activities. These measures target trade, finance, and materials linked to weapons development.
Denuclearization : The reduction or elimination of nuclear weapons and, in some contexts, the capabilities that support them. Negotiations have repeatedly sought denuclearization, while North Korea has retained and expanded its arsenal.
Plutonium : A radioactive metallic element whose isotope plutonium-239 can sustain nuclear fission. Reprocessing spent fuel from Yongbyon’s reactor has provided a route to weapons-usable plutonium.
International Atomic Energy Agency safeguards : Inspection and accounting measures used to verify that nuclear material is not diverted to weapons. Disputes over inspections at Yongbyon brought the undeclared program into international view.
Korean Peninsula security : The military and political conditions affecting peace and conflict on the Korean Peninsula. North Korea’s arsenal is a central factor in the peninsula’s deterrence balance and crisis risks.
Arms control : Agreements or policies that limit, regulate, or reduce military capabilities and their use. Arms control could constrain specific North Korean capabilities without requiring immediate, complete disarmament.
Highly enriched uranium : Uranium enriched until uranium-235 makes up at least 20 percent of its mass. A suspected uranium-enrichment pathway could produce fissile material independently of reactor operation.
Treaty on the Non-Proliferation of Nuclear Weapons : A 1968 treaty that limits the spread of nuclear weapons and supports peaceful nuclear cooperation. North Korea joined the treaty, then announced its withdrawal during the 1993 crisis.
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