The Office of Cooperative Threat Reduction (CTR), part of the U.S. Department of State’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 weapons of mass destruction (WMD), related delivery systems, and advanced conventional weapons proliferation and security threats from proliferator states and non-state actors.