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Five are 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 former Soviet Union), the United Kingdom, France, and China. Of these, the three NATO members, the United ...
France became a nuclear power in 1960, and French nuclear stockpiles peaked at just over 500 nuclear weapons in 1992. [1] China developed its first nuclear weapon in 1964; its nuclear stockpile increased until the early 1980s, when it stabilized at between 200 and 260. [1] India became a nuclear power in 1974, while Pakistan developed its first ...
Although India's nuclear programme and its details are highly classified, international figures suggest that India possesses about 172 nuclear weapons as per 2024 estimate. In 1999, India was estimated to have 800 kg of separated reactor-grade plutonium, with a total amount of 8,300 kg of civilian plutonium, enough for approximately 1,000 ...
Japan, South Korea and Poland [citation needed] are generally considered de facto nuclear states due to their believed ability to wield nuclear weapons within 1 to 3 years. [17] [18] [19] South Africa produced six nuclear weapons in the 1980s, but dismantled them in the early 1990s. South Africa signed the NPT in 1991.
A nuclear weapon[a] is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter.
e. Nuclear warfare, also known as atomic warfare, is a military conflict or prepared political strategy that deploys nuclear weaponry. Nuclear weapons are weapons of mass destruction; in contrast to conventional warfare, nuclear warfare can produce destruction in a much shorter time and can have a long-lasting radiological result.
The United States was the first country to manufacture nuclear weapons and is the only country to have used them in combat, with the bombings of Hiroshima and Nagasaki in World War II. Before and during the Cold War, it conducted 1,054 nuclear tests, and tested many long-range nuclear weapons delivery systems. [Note 1]
United Nations Secretary-General António Guterres welcomed the joint statement. [1] Ma Zhaoxu, vice-minister of Ministry of Foreign Affairs in China, said in a media interview that the joint statement, the first by the leaders of the five countries on nuclear weapons, reflects the political will of the five countries to prevent nuclear war and sends a common voice to maintain global strategic ...