The Office of Cooperative Threat Reduction (ISN/CTR), part of the Department’s Bureau of International Security and Nonproliferation (ISN), sponsors foreign assistance activities funded by the Nonproliferation, Anti-terrorism, Demining and Related Programs (NADR) account, and focuses on mitigating
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weapons of mass destruction (WMD), related delivery systems, and advanced conventional weapons proliferation and security threats from proliferator states and non-state actors.