This U.S. program addressing threats from the former Soviet weapons of mass destruction. The program has focused primarily on (1) destroying vehicles for delivering nuclear weapons, their launchers (such as silos and submarines), and their related facilities; (2) securing former Soviet nuclear weapons and their components; and (3) destroying Russian chemical weapons. The term is sometimes used generically to refer to all U.S. nonproliferation programs in the former Soviet Union, including those implemented by the U.S. Departments of Energy, Commerce, and State.