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'''Office of Defense Nuclear Nonproliferation (DNN)''' is an office within the National Nuclear Security Administration (NNSA) of the U.S. Department of Energy, dedicated to reducing global nuclear dangers by preventing the proliferation of weapons of mass destruction (WMD) and securing nuclear materials. {{Official URL (simple)|url=https://www.energy.gov/nnsa/office-defense-nuclear-nonproliferation}} ==Mission== The mission of the Office of Defense Nuclear Nonproliferation is to work globally to prevent state and non-state actors from acquiring nuclear weapons or the materials, equipment, technology, and expertise needed to make them. DNN's efforts focus on securing or eliminating vulnerable nuclear materials, enhancing international safeguards, and supporting arms control and nonproliferation treaties.<ref>Department of Energy. "Office of Defense Nuclear Nonproliferation". Department of Energy, https://www.energy.gov/nnsa/office-defense-nuclear-nonproliferation (accessed February 7, 2025).</ref> ==Parent organization== DNN operates under the National Nuclear Security Administration, which itself falls under the United States Department of Energy. DNN works closely with other NNSA offices like the Office of Counterterrorism and Counterproliferation to achieve its objectives.<ref>Department of Energy. "About the National Nuclear Security Administration". Department of Energy, https://www.energy.gov/nnsa/about-national-nuclear-security-administration (accessed February 7, 2025).</ref> ==Legislation== The DNN was established under the broader authority of the Department of Energy, with its specific missions aligned with laws and executive orders related to national security and nuclear nonproliferation. ==Partners== * International Atomic Energy Agency (IAEA) * Various national governments for bilateral and multilateral nonproliferation efforts * U.S. federal agencies like the Department of State and Department of Defense * U.S. National Laboratories for research and technical support ==Number of employees== The exact number of employees specifically assigned to DNN is not publicly detailed, as staffing often overlaps with other NNSA divisions. ==Organization structure== DNN is organized into several key programs: ===Leader=== The office is headed by an Assistant Deputy Administrator. ===Divisions=== * Material Management and Minimization (M3) * Global Material Security (GMS) * Nonproliferation and Arms Control (NPAC) * Defense Nuclear Nonproliferation Research and Development (DNN R&D)<ref>Department of Energy. "DNN Programs". Department of Energy, https://www.energy.gov/nnsa/dnn-programs (accessed February 7, 2025).</ref> ==List of programs== * Material Management and Minimization * Global Material Security * Nonproliferation and Arms Control * Defense Nuclear Nonproliferation R&D ==Last total enacted budget== The budget for DNN for Fiscal Year 2023 was approximately $2.17 billion.<ref>Department of Energy. "FY 2023 Congressional Budget Request". Department of Energy, https://www.energy.gov/sites/prod/files/2022/03/f92/FY2023-Budget-Request-Volume-1.pdf (accessed February 7, 2025).</ref> ==Staff== While specific staff numbers for DNN are not directly cited, the NNSA, including DNN, employs a significant number of scientists, engineers, and policy experts. ==Funding== DNN is funded through the NNSA's budget, which is part of the Department of Energy's appropriations. Funding supports various initiatives including securing nuclear materials, research, and international cooperation. ==Services provided== DNN provides services aimed at reducing nuclear threats, including securing or disposing of nuclear materials, enhancing international nuclear safeguards, conducting research and development for nonproliferation technologies, and supporting arms control agreements.<ref>Department of Energy. "DNN Services". Department of Energy, https://www.energy.gov/nnsa/dnn-services (accessed February 7, 2025).</ref> ==Regulations overseen== DNN does not directly oversee regulations but influences policy related to nuclear nonproliferation, supporting the enforcement of international treaties and agreements. ==Headquarters address== 1000 Independence Ave SW, Washington, DC 20585, USA ==History== The Office of Defense Nuclear Nonproliferation was established to consolidate and enhance the U.S. efforts in nuclear nonproliferation following the reorganization of nuclear security efforts within the Department of Energy after the Cold War. ==External links== * [https://www.energy.gov/nnsa/office-defense-nuclear-nonproliferation Official Website] * [[wikipedia:National Nuclear Security Administration#Office of Defense Nuclear Nonproliferation]] ==References== <references />
