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Fiveare considered to be nuclear-weapon states(NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons(NPT). In order of acquisition of nuclear weapons, these are the United States, Russia(the successor of the formerSoviet Union), the United Kingdom, France, and China. Of these, the three NATO members, the United Kingdom ...
The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is an international treaty whose objective is to prevent the spread of nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of nuclear energy, and to further the goal of achieving nuclear disarmament and ...
The list of parties to the Nuclear Non-Proliferation Treaty encompasses the states which have signed and ratified or acceded to the international agreement limiting the spread of nuclear weapons. On 1 July 1968, the Nuclear Non-Proliferation Treaty (NPT) was opened for signature. The three depositary states were the Soviet Union (and later its ...
A total of 197 states may become parties to the Treaty on the Prohibition of Nuclear Weapons, including all 193 member states of the United Nations, the Holy See, the State of Palestine, the Cook Islands, and Niue. As of September 2024, 73 states have ratified or acceded to the treaty, most recently Indonesia, Sierra Leone, and the Solomon Islands.
No nuclear-armed nation has expressed support for a ban treaty; indeed, a number of them, including the United States [56] and Russia, [57] have expressed explicit opposition. North Korea was the only nuclear state to vote for initiating ban negotiations. [23] [24] [better source needed]
Nuclear disarmament is the act of reducing or eliminating nuclear weapons. Its end state can also be a nuclear-weapons-free world, in which nuclear weapons are completely eliminated. The term denuclearization is also used to describe the process leading to complete nuclear disarmament. [ 2 ][ 3 ]
Nuclear sharing. Nuclear sharing is a concept in NATO 's policy of nuclear deterrence, which allows member countries without nuclear weapons of their own to participate in the planning for the use of nuclear weapons by NATO. In particular, it provides for involvement of the armed forces of those countries in delivering nuclear weapons in the ...
A nuclear-weapon-free zone (NWFZ) is defined by the United Nations as an agreement that a group of states has freely established by treaty or convention that bans the development, manufacturing, control, possession, testing, stationing or transporting of nuclear weapons in a given area, that has mechanisms of verification and control to enforce its obligations, and that is recognized as such ...