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Bureau of International Security and Nonproliferation

Office of Missile, Biological, and Chemical Nonproliferation

Our Mission

The Office of Missile, Biological, and Chemical Nonproliferation leads working-level U.S. government efforts to impede, roll back, and eliminate the proliferation of chemical and biological weapons, missile delivery systems for weapons of mass destruction, and related equipment, materials, and technology.

U.S. Department of State

Welcome to the new State.gov

Our new design makes it easier to find and learn about the State Department’s programs and services—from passports and visas to learning how U.S. diplomacy benefits the American people.