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Map of nuclear-armed states of the world NPT -designated nuclear weapon states (China, France, Russia, United Kingdom, United States) Other states with nuclear weapons (India, North Korea, Pakistan) Other states presumed to have nuclear weapons (Israel) NATO or CSTO member nuclear weapons sharing states (Belgium, Germany, Italy, Netherlands, Turkey, Belarus) States formerly possessing nuclear ...
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 aiding in nuclear weapons proliferation to ...
The components of a B83 nuclear bomb used by the United States. This is a list of nuclear weapons listed according to country of origin, and then by type within the states. . The United States, Russia, China and India are known to possess a nuclear triad, being capable to deliver nuclear weapons by land, sea and
The United States is known to have possessed three types of weapons of mass destruction: nuclear, chemical, and biological weapons.As the country that invented nuclear weapons, the U.S. is the only country to have used nuclear weapons on another country, when it detonated two atomic bombs over two Japanese cities of Hiroshima and Nagasaki during World War II.
At the nuclear pit fabrication facility at Rocky Flats in Colorado, two employees and a United States Department of Energy inspector inhaled radioactive particles, causing closure of the plant. Several safety violations were cited, including uncalibrated monitors, inadequate fire equipment, and groundwater contaminated with radioactivity.
Pages in category "Nuclear weapons of the United States" The following 39 pages are in this category, out of 39 total. This list may not reflect recent changes .
The following list of nuclear triads, deployed in 2024, includes all four countries known to possess them (United States, Russia, China and India). Where available, the names and number of nuclear warheads are given. The list excludes non-strategic (tactical) nuclear weapons and the partial nuclear triad of France and Pakistan.
[1] [2] States have the option of acceding to the treaty without signing. 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 ...