Realization of a NWFZ treaty to cover the region of Middle East has been an unfulfilled objective due to the rejection of Israel to join the NPT and to put its clandestine nuclear facilities under the IAEA full scope safeguards.
由于以色列反对加入《不扩散条约》，并且反对将其秘密核设施置于原子能机构全部保障监督之下，缔结无核武器区条约的目标一直未能实现。