The enhancement of special security and physical protection measures for the transport and storage of non-strategic nuclear weapons, their components and related materials through, inter alia, the placing of such weapons in physically secure central storage sites with a view to their removal and subsequent elimination by the nuclear-weapon States as a part of the nuclear disarmament process to which they are committed under the Treaty on the Non-Proliferation of Nuclear Weapons, as well as the necessary steps to be taken by all nuclear-weapon States in possession of such weapons in this regard;