; and (B) any unilateral reductions in the United States’ national and theater missile defense without corresponding reductions in Russia and China’s missile defense. 5. Requirements for future nuclear arms agreements (a) Requirements The President and any representative of the President shall not negotiate, sign, or otherwise agree to any treaty with the Russian Federation pertaining to nuclear weapons where the number of nuclear warheads or nuclear-capable delivery systems possessed by the Russian Federation would be numerically equal in size to, or greater than, the nuclear arsenal of the United States, unless such treaty or agreement— (1) also restricts the size of the nuclear arsenal of the People’s Republic of China without allowing China to build up to treaty limits; (2) includes an inspection regime and other verification measures to ensure with high confidence that the Russian Federation and the People’s Republic of China are compliant with the terms of the treaty or agreement; (3) includes an inspection regime of the relevant nuclear facilities of the People’s Republic of China that is comparable to the treaty’s or agreement’s inspection regime of the relevant nuclear facilities of the Russian Federation; (4) includes current and future Russian strategic nuclear systems of a strategic character that are not currently limited by the New START Treaty, including— (A) non-ballistic missiles of intercontinental ranges; (B) underwater unmanned systems of intercontinental ranges; and (C) hypersonic glide vehicles that can be delivered by systems of intercontinental ranges