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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 ...
History of nuclear weapons. Trinity- Gadget, an implosion-type plutonium device tested on July 16, 1945, by the United States was the first successful nuclear weapon ever created. It yielded approximately 25 kilotons of TNT. Building on major scientific breakthroughs made during the 1930s, the United Kingdom began the world's first nuclear ...
v. t. e. Nuclear warfare, also known as atomic warfare, is a military conflictor prepared political strategythat 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. A major ...
1998 – May – India tests five more nuclear weapons as part of Operation Shakti at the Pokhran test site. This was India's second round of nuclear weapons testing. 1998 – May – Pakistan detonates five high-enriched uranium nuclear weapons in the Chagai Hills. A sixth nuclear test, at Kharan, was a plutonium device.
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.
The United Kingdom became a nuclear power in 1952, and its nuclear arsenal peaked at just under 500 nuclear weapons in 1981. 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 ...
RDS-27, 250 kiloton bomb, a 'boosted' fission bomb tested 6 November 1955. RDS-37, 3 megaton bomb, the first Soviet two-stage hydrogen bomb, tested 22 November 1955. RDS-220 Tsar Bomba an extremely large three stage bomb, initially designed as a 100-megaton-bomb, but was scaled down to 50 megatons for testing.
The nuclear arms race was an arms race competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War. During this same period, in addition to the American and Soviet nuclear stockpiles, other countries developed nuclear weapons, though no other country engaged in ...