Search results
Results from the WOW.Com Content Network
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 ...
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.
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 ...
The table in this section summarizes all worldwide nuclear testing (including the two bombs dropped in combat which were not tests). The country names are links to summary articles for each country, which may in turn be used to drill down to test series articles which contain details on every known nuclear explosion and test.
Nagasaki, Japan. 32°46′25″N 129°51′48″E / 32.77372°N 129.86325°E / 32.77372; 129.86325 (Nagasaki, Japan) The second target of nuclear weapons, Nagasaki was a city of 240,000 swelled to 263,000 on the day of the strike, chosen when the primary target, Kokura, was found clouded over.
Nine countries have nuclear weapons, including the US and Russia. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
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.
Nuclear disarmament in international law. The United States is one of the five nuclear weapons states with a declared nuclear arsenal under the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), of which it was an original drafter and signatory on 1 July 1968 (ratified 5 March 1970). All signatories of the NPT agreed to refrain from ...