332 relations: Aerial refueling, African Nuclear-Weapon-Free Zone Treaty, Aircraft, Albert Einstein, Aldermaston, Aldermaston Marches, Almería, American Experience, Americium, Anti-submarine warfare, Antimatter, Antimatter-catalyzed nuclear pulse propulsion, Atomic bombings of Hiroshima and Nagasaki, Atomic demolition munition, Atomic nucleus, Atomic Weapons Establishment, Australasian Science, B28 nuclear bomb, B43 nuclear bomb, B53 nuclear bomb, B61 nuclear bomb, B83 nuclear bomb, Ballistics, Barack Obama, Battle, Belarus, Belgium, Berkshire, Bertrand Russell, Biological warfare, Boeing B-52 Stratofortress, Boeing KC-135 Stratotanker, BOMARC Missile Accident Site, Boosted fission weapon, Boston, British Columbia, Brookings Institution, Bulletin of the Atomic Scientists, Campaign for Nuclear Disarmament, Canal, Caribbean, Castle Bravo, Casus belli, Cataract, Centers for Disease Control and Prevention, Central Asian Nuclear Weapon Free Zone, Charles de Gaulle, Chemical weapon, China and weapons of mass destruction, Chuck Hansen, ..., CIM-10 Bomarc, Civil defense, Civilian, CNN, Cobalt, Cobalt bomb, Cold War, Command and Control (book), Comprehensive Nuclear-Test-Ban Treaty, Conventional weapon, Critical mass, Cuban Missile Crisis, Cyrus S. Eaton, Daigo Fukuryū Maru, Daniel Ellsberg, David Albright, Debate over the atomic bombings of Hiroshima and Nagasaki, Depleted uranium, Deterrence theory, Deuterium, Dirty bomb, Dissolution of the Soviet Union, Douglas A-4 Skyhawk, Easter, Economic development, Ejection seat, Electric charge, Empire of Japan, Enriched uranium, Environmental remediation, Eric Schlosser, Ethics, Explosive lens, Explosive material, Exponential growth, Fat Man, Fighter-bomber, Firestorm, Fissile material, Fission barrier, Force de dissuasion, France and weapons of mass destruction, Game theory, Gamma ray, Geneva Conventions, George P. Shultz, Germany, Global Zero (campaign), Gold, Goldsboro, North Carolina, Graham T. Allison, Greenland, Hague Conventions of 1899 and 1907, Half-life, Hanford Site, Hans Bethe, Harry Daghlian, Head of government, Head of state, Henry DeWolf Smyth, Henry Kissinger, Hiroshima, Hugh Gusterson, Hydrogen, Hypergolic propellant, India and weapons of mass destruction, Induced gamma emission, Institute for Science and International Security, Intercontinental ballistic missile, Intermediate-Range Nuclear Forces Treaty, International Atomic Energy Agency, International Committee of the Red Cross, International Court of Justice, International Court of Justice advisory opinion on the Legality of the Threat or Use of Nuclear Weapons, International law, International relations, Interventionism (politics), Iodine-131, Ionizing radiation, Iraq, Iraq War, Isotope, Isotopes of neptunium, Israel and weapons of mass destruction, Italy, Ivy Mike, John Mearsheimer, Kazakhstan, Kenneth Waltz, Kofi Annan, Land mine, Latin America, Lawrence M. Krauss, Linus Pauling, List of nuclear close calls, List of nuclear weapons, List of states with nuclear weapons, Lithium hydride, Little Boy, London, Los Alamos National Laboratory, Louis Slotin, Manhattan Project, Mark 17 nuclear bomb, Mark 39 nuclear bomb, Mark 4 nuclear bomb, Mark Diesendorf, Matter, Median lethal dose, Mediterranean Sea, Military personnel, Misnomer, Missile, Missile defense, Missile launch facility, Mordechai Vanunu, Mortar (weapon), Multiple independently targetable reentry vehicle, Mutual assured destruction, Nagasaki, National Cancer Institute, National Command Authority, Neorealism (international relations), Netherlands, Neutron, Neutron bomb, Neutron radiation, Nevada Test Site, New START, Niger uranium forgeries, Nobel Peace Prize, North Korea, North Korea and weapons of mass destruction, Nth Country Experiment, Nuclear artillery, Nuclear blackout, Nuclear bunker buster, Nuclear chain reaction, Nuclear depth bomb, Nuclear electromagnetic pulse, Nuclear explosion, Nuclear fallout, Nuclear fission, Nuclear fission product, Nuclear forensics, Nuclear fusion, Nuclear holocaust, Nuclear peace, Nuclear proliferation, Nuclear pumped laser, Nuclear reaction, Nuclear sharing, Nuclear technology, Nuclear terrorism, Nuclear torpedo, Nuclear warfare, Nuclear weapon, Nuclear weapon design, Nuclear weapons and the United Kingdom, Nuclear weapons delivery, Nuclear weapons in popular culture, Nuclear weapons of the United States, Nuclear weapons testing, Nuclear winter, Nuclear-weapon-free zone, OPANAL, Operation Opera, Operation Outside the Box, Pacific Proving Grounds, Pakistan and weapons of mass destruction, Partial Nuclear Test Ban Treaty, Particle, PBS, Penguin Group, Pierre Marie Gallois, Plutonium, Plutonium-239, Policy of deliberate ambiguity, Prague, Pre-emptive nuclear strike, Project Excalibur, Pugwash Conferences on Science and World Affairs, Pugwash, Nova Scotia, Pure fusion weapon, Radiation, Radiation Effects Research Foundation, Radiation Exposure Compensation Act, Radioactive contamination, Radioactive decay, Radioactive waste, Radiophobia, Reuters, Richard Rhodes, Rinaldo Brutoco, Robert Gallucci, Russell–Einstein Manifesto, Russia and weapons of mass destruction, Salted bomb, Sam Nunn, Sea ice, Secretary-General of the United Nations, September 11 attacks, Shelter in place, Sievert, Small arms, Smyth Report, South Africa, South Africa and weapons of mass destruction, South Korea, Soviet Union, Spain, Special Atomic Demolition Munition, Spencer R. Weart, Stability–instability paradox, Starfish Prime, START I, START II, Strategic Arms Limitation Talks, Strategic bomber, Strategic Defense Initiative, Strategic nuclear weapon, Strategic Offensive Reductions Treaty, Submarine, Submarine-launched ballistic missile, Suitcase nuclear device, Surrender of Japan, Syria, Tactical nuclear weapon, Terrorism, The Making of the Atomic Bomb, The New York Review of Books, The Pentagon, The Washington Post, TheGuardian.com, Thermonuclear weapon, Thomas Powers, Three Non-Nuclear Principles, Thyroid cancer, Titan (rocket family), TNT, TNT equivalent, Total war, Trafalgar Square, Transporter erector launcher, Treaty of Tlatelolco, Treaty on the Non-Proliferation of Nuclear Weapons, Trinity (nuclear test), Tritium, Tsar Bomba, Tuna, Turkey, Ukraine, Underground nuclear weapons testing, Unguided bomb, United Kingdom and weapons of mass destruction, United Nations, United Nations Charter, United Nations General Assembly, United Nations Secretariat, United States, United States Air Force, United States and weapons of mass destruction, United States Army Air Forces, United States Atomic Energy Commission, United States Department of Energy, United States military nuclear incident terminology, Universal Declaration of Human Rights, University of New Mexico, Uranium, Uranium-233, Uranium-235, Variable yield, Weapon of mass destruction, William Perry, World War II, X-ray, 1950 British Columbia B-36 crash, 1961 Goldsboro B-52 crash, 1965 Philippine Sea A-4 incident, 1966 Palomares B-52 crash, 1968 Thule Air Base B-52 crash, 1980 Damascus Titan missile explosion. 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Aerial refueling, also referred to as air refueling, in-flight refueling (IFR), air-to-air refueling (AAR), and tanking, is the process of transferring aviation fuel from one military aircraft (the tanker) to another (the receiver) during flight.
The African Nuclear Weapon Free Zone Treaty, also known as the Treaty of Pelindaba (named after South Africa's main Nuclear Research Centre, run by The South African Nuclear Energy Corporation and was the location where South Africa's atomic bombs of the 1970s were developed, constructed and subsequently stored), establishes a Nuclear-Weapon-Free Zone in Africa.
An aircraft is a machine that is able to fly by gaining support from the air.
Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).
Aldermaston is a mostly rural, dispersed settlement, civil parish and electoral ward in Berkshire, England.
The Aldermaston marches were anti-nuclear weapons demonstrations in the 1950s and 1960s, taking place on Easter weekend between the Atomic Weapons Research Establishment at Aldermaston in Berkshire, England, and London, over a distance of fifty-two miles, or roughly 83 km.
Almería is a city in Andalusia, Spain, located in the southeast of Spain on the Mediterranean Sea, and is the capital of the province of the same name.
American Experience is a television program airing on Public Broadcasting Service (PBS) television stations in the United States.
Americium is a synthetic chemical element with symbol Am and atomic number 95.
Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, or other submarines to find, track and deter, damage, or destroy enemy submarines.
In modern physics, antimatter is defined as a material composed of the antiparticle (or "partners") to the corresponding particles of ordinary matter.
Antimatter catalyzed nuclear pulse propulsion is a variation of nuclear pulse propulsion based upon the injection of antimatter into a mass of nuclear fuel which normally would not be useful in propulsion.
During the final stage of World War II, the United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively.
Atomic demolition munitions (ADMs), colloquially known as nuclear land mines, are small nuclear explosive devices.
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
The Atomic Weapons Establishment (AWE) is responsible for the design, manufacture and support of warheads for the United Kingdom's nuclear weapons.
Australasian Science is a bimonthly science magazine published in Australia.
The B28, originally Mark 28, was a thermonuclear bomb carried by U.S. tactical fighter bombers, attack aircraft and bomber aircraft.
The B43 was a United States air-dropped variable yield nuclear weapon used by a wide variety of fighter bomber and bomber aircraft.
The Mk/B53 was a high-yield bunker buster thermonuclear weapon developed by the United States during the Cold War.
The B61 nuclear bomb is the primary thermonuclear gravity bomb in the United States Enduring Stockpile following the end of the Cold War.
The B83 thermonuclear weapon is a variable-yield unguided bomb developed by the United States in the late 1970s, entering service in 1983.
Ballistics is the field of mechanics that deals with the launching, flight, behavior, and effects of projectiles, especially bullets, unguided bombs, rockets, or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.
Barack Hussein Obama II (born August 4, 1961) is an American politician who served as the 44th President of the United States from January 20, 2009, to January 20, 2017.
A battle is a combat in warfare between two or more armed forces, or combatants.
Belarus (Беларусь, Biełaruś,; Беларусь, Belarus'), officially the Republic of Belarus (Рэспубліка Беларусь; Республика Беларусь), formerly known by its Russian name Byelorussia or Belorussia (Белоруссия, Byelorussiya), is a landlocked country in Eastern Europe bordered by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest.
Belgium, officially the Kingdom of Belgium, is a country in Western Europe bordered by France, the Netherlands, Germany and Luxembourg.
Berkshire (abbreviated Berks, in the 17th century sometimes spelled Barkeshire as it is pronounced) is a county in south east England, west of London and is one of the home counties.
Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British philosopher, logician, mathematician, historian, writer, social critic, political activist, and Nobel laureate.
Biological warfare (BW)—also known as germ warfare—is the use of biological toxins or infectious agents such as bacteria, viruses, and fungi with the intent to kill or incapacitate humans, animals or plants as an act of war.
The Boeing B-52 Stratofortress is an American long-range, subsonic, jet-powered strategic bomber.
The Boeing KC-135 Stratotanker is a military aerial refueling aircraft.
BOMARC Site RW-01 is a fenced-off site contaminated primarily with "weapons-grade plutonium (WGP), highly-enriched and depleted uranium." On 7 June 1960 an explosion in a CIM-10 Bomarc missile fuel tank caused the accident and subsequent contamination.
A boosted fission weapon usually refers to a type of nuclear bomb that uses a small amount of fusion fuel to increase the rate, and thus yield, of a fission reaction.
Boston is the capital city and most populous municipality of the Commonwealth of Massachusetts in the United States.
British Columbia (BC; Colombie-Britannique) is the westernmost province of Canada, located between the Pacific Ocean and the Rocky Mountains.
The Brookings Institution is a century-old American research group on Think Tank Row in Washington, D.C. It conducts research and education in the social sciences, primarily in economics, metropolitan policy, governance, foreign policy, and global economy and development.
The Bulletin of the Atomic Scientists is a nontechnical academic journal, published by Taylor and Francis that covers global security and public policy issues related to the dangers posed by nuclear threats, weapons of mass destruction, climate change, and emerging technologies and biological hazards.
The Campaign for Nuclear Disarmament (CND) is an organisation that advocates unilateral nuclear disarmament by the United Kingdom, international nuclear disarmament and tighter international arms regulation through agreements such as the Nuclear Non-Proliferation Treaty.
Canals, or navigations, are human-made channels, or artificial waterways, for water conveyance, or to service water transport vehicles.
The Caribbean is a region that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean) and the surrounding coasts.
Castle Bravo was the first in a series of high-yield thermonuclear weapon design tests conducted by the United States at Bikini Atoll, Marshall Islands, as part of Operation Castle.
Casus belli is a Latin expression meaning "an act or event that provokes or is used to justify war" (literally, "a case of war").
A cataract is a clouding of the lens in the eye which leads to a decrease in vision.
The Centers for Disease Control and Prevention (CDC) is the leading national public health institute of the United States.
The Central Asian Nuclear-Weapon-Free Zone (CANWFZ) treaty is a legally binding commitment by Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan not to manufacture, acquire, test, or possess nuclear weapons.
Charles André Joseph Marie de Gaulle (22 November 1890 – 9 November 1970) was a French general and statesman who led the French Resistance against Nazi Germany in World War II and chaired the Provisional Government of the French Republic from 1944 to 1946 in order to reestablish democracy in France.
A chemical weapon (CW) is a specialized munition that uses chemicals formulated to inflict death or harm on humans.
The People's Republic of China has developed and possesses weapons of mass destruction, including chemical and nuclear weapons.
Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.
The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.
Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.
Christmas traditions vary from country to country.
Chuck Hansen (May 13, 1947 - March 26, 2003) was the compiler, over a period of 30 years, of the world's largest private collection of unclassified documents on how America developed atomic and thermonuclear weapons.
The Boeing CIM-10 Bomarc (IM-99 Weapon System prior to September 1962) was a supersonic long-range surface-to-air missile (SAM) used during the Cold War for the air defense of North America.
Civil defense or civil protection is an effort to protect the citizens of a state (generally non-combatants) from military attacks and natural disasters.
A civilian is "a person who is not a member of the military or of a police or firefighting force".
Cable News Network (CNN) is an American basic cable and satellite television news channel and an independent subsidiary of AT&T's WarnerMedia.
Cobalt is a chemical element with symbol Co and atomic number 27.
A cobalt bomb is a type of "salted bomb": a nuclear weapon designed to produce enhanced amounts of radioactive fallout, intended to contaminate a large area with radioactive material.
The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc (the Soviet Union and its satellite states) and powers in the Western Bloc (the United States, its NATO allies and others).
Command and Control: Nuclear Weapons, the Damascus Accident, and the Illusion of Safety is a 2013 nonfiction book by Eric Schlosser about the history of nuclear weapons systems in the United States.
The Comprehensive Nuclear-Test-Ban Treaty (CTBT) is a multilateral treaty that bans all nuclear explosions, for both civilian and military purposes, in all environments.
The terms conventional weapons or conventional arms generally refer to weapons that are in relatively wide use that are not weapons of mass destruction (e.g. nuclear, biological, and chemical weapons).
A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction.
The Cuban Missile Crisis, also known as the October Crisis of 1962 (Crisis de Octubre), the Caribbean Crisis, or the Missile Scare, was a 13-day (October 16–28, 1962) confrontation between the United States and the Soviet Union concerning American ballistic missile deployment in Italy and Turkey with consequent Soviet ballistic missile deployment in Cuba.
Cyrus Stephen Eaton, Sr. (December 27, 1883 – May 9, 1979) was a Canadian-American investment banker, businessman and philanthropist, with a career that spanned seventy years.
was a Japanese tuna fishing boat with a crew of 23 men which was contaminated by nuclear fallout from the United States Castle Bravo thermonuclear weapon test at Bikini Atoll on March 1, 1954.
Daniel Ellsberg (born April 7, 1931) is an American activist and former United States military analyst who, while employed by the RAND Corporation, precipitated a national political controversy in 1971 when he released the Pentagon Papers, a top-secret Pentagon study of U.S. government decision-making in relation to the Vietnam War, to The New York Times and other newspapers.
David Albright, M.Sc., is the founder of the non-governmental Institute for Science and International Security (ISIS), its current president, and author of several books on proliferation of atomic weapons.
The debate over the atomic bombings of Hiroshima and Nagasaki concerns the ethical, legal, and military controversies surrounding the atomic bombings of Hiroshima and Nagasaki on 6 August and 9 August 1945 at the close of World War II (1939–45).
Depleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope U-235 than natural uranium.
Deterrence theory gained increased prominence as a military strategy during the Cold War with regard to the use of nuclear weapons.
Deuterium (or hydrogen-2, symbol or, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other being protium, or hydrogen-1).
A dirty bomb or radiological dispersal device (RDD) is a speculative radiological weapon that combines radioactive material with conventional explosives.
The dissolution of the Soviet Union occurred on December 26, 1991, officially granting self-governing independence to the Republics of the Soviet Union.
The Douglas A-4 Skyhawk is a single seat subsonic carrier-capable attack aircraft developed for the United States Navy and United States Marine Corps in the early 1950s.
Easter,Traditional names for the feast in English are "Easter Day", as in the Book of Common Prayer, "Easter Sunday", used by James Ussher and Samuel Pepys and plain "Easter", as in books printed in,, also called Pascha (Greek, Latin) or Resurrection Sunday, is a festival and holiday celebrating the resurrection of Jesus from the dead, described in the New Testament as having occurred on the third day of his burial after his crucifixion by the Romans at Calvary 30 AD.
economic development wikipedia Economic development is the process by which a nation improves the economic, political, and social well-being of its people.
In aircraft, an ejection seat or ejector seat is a system designed to rescue the pilot or other crew of an aircraft (usually military) in an emergency.
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
The was the historical nation-state and great power that existed from the Meiji Restoration in 1868 to the enactment of the 1947 constitution of modern Japan.
Enriched uranium is a type of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation.
Environmental remediation deals with the removal of pollution or contaminants from environmental media such as soil, groundwater, sediment, or surface water.
Eric Matthew Schlosser (born August 17, 1959) is an American journalist and author known for his investigative journalism, such as in his books Fast Food Nation (2001), Reefer Madness (2003), and Command and Control: Nuclear Weapons, the Damascus Accident, and the Illusion of Safety (2013).
Ethics or moral philosophy is a branch of philosophy that involves systematizing, defending, and recommending concepts of right and wrong conduct.
An explosive lens—as used, for example, in nuclear weapons—is a highly specialized shaped charge.
An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
Exponential growth is exhibited when the rate of change—the change per instant or unit of time—of the value of a mathematical function is proportional to the function's current value, resulting in its value at any time being an exponential function of time, i.e., a function in which the time value is the exponent.
"Fat Man" was the codename for the atomic bomb that was detonated over the Japanese city of Nagasaki by the United States on 9 August 1945.
A fighter-bomber is a fighter aircraft that has been modified, or used primarily, as a light bomber or attack aircraft.
A firestorm is a conflagration which attains such intensity that it creates and sustains its own wind system.
In nuclear engineering, fissile material is material capable of sustaining a nuclear fission chain reaction.
In nuclear physics and nuclear chemistry, the fission barrier is the activation energy required for a nucleus of an atom to undergo fission.
The Force de frappe (French for: strike force), or Force de dissuasion after 1961,Gunston, Bill.
France is one of the five "Nuclear Weapons States" under the Treaty on the Non-Proliferation of Nuclear Weapons, but is not known to possess or develop any chemical or biological weapons.
Game theory is "the study of mathematical models of conflict and cooperation between intelligent rational decision-makers".
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
Original document as PDF in single pages, 1864 The Geneva Conventions comprise four treaties, and three additional protocols, that establish the standards of international law for humanitarian treatment in war.
George Pratt Shultz (born December 13, 1920) is an American economist, elder statesman, and businessman.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
Global Zero is an international non-partisan group of 300 world leaders dedicated to achieving the elimination of nuclear weapons.
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
Goldsboro is a city in Wayne County, North Carolina, United States.
Graham Tillett Allison, Jr. (born March 23, 1940) is an American political scientist and professor at the John F. Kennedy School of Government at Harvard.
Greenland (Kalaallit Nunaat,; Grønland) is an autonomous constituent country within the Kingdom of Denmark between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago.
The Hague Conventions of 1899 and 1907 are a series of international treaties and declarations negotiated at two international peace conferences at The Hague in the Netherlands.
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.
The Hanford Site is a decommissioned nuclear production complex operated by the United States federal government on the Columbia River in the U.S. state of Washington.
Hans Albrecht Bethe (July 2, 1906 – March 6, 2005) was a German-American nuclear physicist who made important contributions to astrophysics, quantum electrodynamics and solid-state physics, and won the 1967 Nobel Prize in Physics for his work on the theory of stellar nucleosynthesis.
Haroutune Krikor "Harry" Daghlian Jr. (May 4, 1921 – September 15, 1945) was a physicist with the Manhattan Project which designed and produced the atomic bombs that were used in World War II.
A head of government (or chief of government) is a generic term used for either the highest or second highest official in the executive branch of a sovereign state, a federated state, or a self-governing colony, (commonly referred to as countries, nations or nation-states) who often presides over a cabinet, a group of ministers or secretaries who lead executive departments.
A head of state (or chief of state) is the public persona that officially represents the national unity and legitimacy of a sovereign state.
Henry DeWolf "Harry" Smyth (May 1, 1898 – September 11, 1986) was an American physicist, diplomat, and bureaucrat.
Henry Alfred Kissinger (born Heinz Alfred Kissinger, May 27, 1923) is an American statesman, political scientist, diplomat and geopolitical consultant who served as the United States Secretary of State and National Security Advisor under the presidential administrations of Richard Nixon and Gerald Ford.
is the capital of Hiroshima Prefecture and the largest city in the Chūgoku region of western Honshu - the largest island of Japan.
Hugh Gusterson is an anthropologist at George Washington University,.
Hydrogen is a chemical element with symbol H and atomic number 1.
A hypergolic propellant combination used in a rocket engine is one whose components spontaneously ignite when they come into contact with each other.
The Republic of India has developed and possesses weapons of mass destruction in the form of nuclear weapons.
In physics, induced gamma emission (IGE) refers to the process of fluorescent emission of gamma rays from excited nuclei, usually involving a specific nuclear isomer.
The Institute for Science and International Security (ISIS) is a nonprofit, non-governmental institution to inform the public about "science and policy issues affecting international security." Founded in 1993, the group is led by founder and former United Nations IAEA nuclear inspector David Albright.
An intercontinental ballistic missile (ICBM) is a guided ballistic missile with a minimum range of primarily designed for nuclear weapons delivery (delivering one or more thermonuclear warheads).
The Intermediate-Range Nuclear Forces Treaty (INF Treaty) is the abbreviated name of the Treaty Between the United States of America and the Union of Soviet Socialist Republics on the Elimination of Their Intermediate-Range and Shorter-Range Missiles, a 1987 agreement between the United States and the Soviet Union (and later its successor states, in particular the Russian Federation).
The International Atomic Energy Agency (IAEA) is an international organization that seeks to promote the peaceful use of nuclear energy, and to inhibit its use for any military purpose, including nuclear weapons.
The International Committee of the Red Cross (ICRC) is a humanitarian institution based in Geneva, Switzerland, and a three-time Nobel Prize Laureate.
The International Court of Justice (abbreviated ICJ; commonly referred to as the World Court) is the principal judicial organ of the United Nations (UN).
International Court of Justice advisory opinion on the Legality of the Threat or Use of Nuclear Weapons
Legality of the Threat or Use of Nuclear Weapons is a landmark international law case, where the International Court of Justice gave an advisory opinion stating that there is no source of law, customary or treaty, that explicitly prohibits the possession or even use of nuclear weapons.
International law is the set of rules generally regarded and accepted as binding in relations between states and between nations.
International relations (IR) or international affairs (IA) — commonly also referred to as international studies (IS) or global studies (GS) — is the study of interconnectedness of politics, economics and law on a global level.
Interventionism is a policy of non-defensive (proactive) activity undertaken by a nation-state, or other geo-political jurisdiction of a lesser or greater nature, to manipulate an economy and/or society.
Iodine-131 (131I) is an important radioisotope of iodine discovered by Glenn Seaborg and John Livingood in 1938 at the University of California, Berkeley.
Ionizing radiation (ionising radiation) is radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.
Iraq (or; العراق; عێراق), officially known as the Republic of Iraq (جُمُهورية العِراق; کۆماری عێراق), is a country in Western Asia, bordered by Turkey to the north, Iran to the east, Kuwait to the southeast, Saudi Arabia to the south, Jordan to the southwest and Syria to the west.
The Iraq WarThe conflict is also known as the War in Iraq, the Occupation of Iraq, the Second Gulf War, and Gulf War II.
Isotopes are variants of a particular chemical element which differ in neutron number.
Neptunium (93Np) is usually considered an artificial element, although trace quantities are found in nature, so thus a standard atomic weight cannot be given.
Israel is widely believed to possess weapons of mass destruction, and to be one of four nuclear-armed countries not recognized as a Nuclear Weapons State by the Non-Proliferation Treaty (NPT).
Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.
Ivy Mike was the codename given to the first test of a full-scale thermonuclear device, in which part of the explosive yield comes from nuclear fusion.
John Joseph Mearsheimer (born December 14, 1947) is an American political scientist.
Kazakhstan (Qazaqstan,; kəzɐxˈstan), officially the Republic of Kazakhstan (Qazaqstan Respýblıkasy; Respublika Kazakhstan), is the world's largest landlocked country, and the ninth largest in the world, with an area of.
Kenneth Neal Waltz (June 8, 1924 – May 12, 2013) was an American political scientist who was a member of the faculty at both the University of California, Berkeley and Columbia University and one of the most prominent scholars in the field of international relations.
Kofi Atta Annan (born 8 April 1938) is a Ghanaian diplomat who served as the seventh Secretary-General of the United Nations from January 1997 to December 2006.
A land mine is an explosive device concealed under or on the ground and designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it.
Latin America is a group of countries and dependencies in the Western Hemisphere where Spanish, French and Portuguese are spoken; it is broader than the terms Ibero-America or Hispanic America.
Lawrence Maxwell Krauss (born May 27, 1954) is an American-Canadian theoretical physicist and cosmologist who is Foundation Professor of the School of Earth and Space Exploration at Arizona State University, and director of its Origins Project.
Linus Carl Pauling (February 28, 1901 – August 19, 1994) was an American chemist, biochemist, peace activist, author, educator, and husband of American human rights activist Ava Helen Pauling.
A nuclear close call is an incident that could lead to, or could have led to, at least one unintended nuclear detonation/explosion.
This is a list of nuclear weapons listed according to country of origin, & then by type within the states.
There are eight sovereign states that have successfully detonated nuclear weapons.
Lithium hydride is an inorganic compound with the formula LiH.
"Little Boy" was the codename for the atomic bomb dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II by the Boeing B-29 Superfortress Enola Gay, piloted by Colonel Paul W. Tibbets, Jr., commander of the 509th Composite Group of the United States Army Air Forces.
London is the capital and most populous city of England and the United Kingdom.
Los Alamos National Laboratory (Los Alamos or LANL for short) is a United States Department of Energy national laboratory initially organized during World War II for the design of nuclear weapons as part of the Manhattan Project.
Louis Alexander Slotin (1 December 1910 – 30 May 1946) was a Canadian physicist and chemist who worked on the Manhattan Project.
The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons.
The Mark 17 and Mark 24 were the first mass-produced hydrogen bombs deployed by the United States.
The Mark 39 nuclear bomb and W39 nuclear warhead were versions of an American thermonuclear weapon, which were in service from 1957 to 1966.
The Mark 4 nuclear bomb was an American nuclear bomb design produced starting in 1949 and in use until 1953.
Mark Diesendorf is an Australian academic and environmentalist, known for his work in sustainable development and renewable energy.
In the classical physics observed in everyday life, matter is any substance that has mass and takes up space by having volume.
In toxicology, the median lethal dose, LD50 (abbreviation for "lethal dose, 50%"), LC50 (lethal concentration, 50%) or LCt50 is a measure of the lethal dose of a toxin, radiation, or pathogen.
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.
Military personnel are members of the state's armed forces.
A misnomer is a name or term that suggests an idea that is known to be wrong.
In modern language, a missile is a guided self-propelled system, as opposed to an unguided self-propelled munition, referred to as a rocket (although these too can also be guided).
Missile defense is a system, weapon, or technology involved in the detection, tracking, interception, and destruction of attacking missiles.
A missile launch facility, also known as an underground missile silo, launch facility (LF), or nuclear silo, is a vertical cylindrical structure constructed underground, for the storage and launching of intercontinental ballistic missiles (ICBMs).
Mordechai Vanunu (מרדכי ואנונו; born 14 October 1954), also known as John Crossman, is an Israeli former nuclear technician and peace activist who, citing his opposition to weapons of mass destruction, revealed details of Israel's nuclear weapons program to the British press in 1986.
A mortar is usually a simple, lightweight, man portable, muzzle-loaded weapon, consisting of a smooth-bore metal tube fixed to a base plate (to absorb recoil) with a lightweight bipod mount.
A multiple independently targetable reentry vehicle (MIRV) is a ballistic missile payload containing several thermonuclear warheads, each capable of being aimed to hit a different target.
Mutual assured destruction or mutually assured destruction (MAD) is a doctrine of military strategy and national security policy in which a full-scale use of nuclear weapons by two or more opposing sides would cause the complete annihilation of both the attacker and the defender (see pre-emptive nuclear strike and second strike).
() is the capital and the largest city of Nagasaki Prefecture on the island of Kyushu in Japan.
The National Cancer Institute (NCI) is part of the National Institutes of Health (NIH), which is one of eleven agencies that are part of the U.S. Department of Health and Human Services.
National Command Authority (NCA) is a term used by the Department of Defense of the United States of America to refer to the ultimate source of lawful military orders.
Neorealism or structural realism is a theory of international relations that says power is the most important factor in international relations.
The Netherlands (Nederland), often referred to as Holland, is a country located mostly in Western Europe with a population of seventeen million.
A neutron bomb, officially defined as a type of enhanced radiation weapon (ERW), is a low yield thermonuclear weapon designed to maximize lethal neutron radiation in the immediate vicinity of the blast while minimizing the physical power of the blast itself.
Neutron radiation is a form of ionizing radiation that presents as free neutrons.
The Nevada National Security Site (N2S2 or NNSS), previously the Nevada Test Site (NTS), is a United States Department of Energy reservation located in southeastern Nye County, Nevada, about 65 miles (105 km) northwest of the city of Las Vegas.
New START (Strategic Arms Reduction Treaty) (Russian: СНВ-III, SNV-III) is a nuclear arms reduction treaty between the United States and the Russian Federation with the formal name of Measures for the Further Reduction and Limitation of Strategic Offensive Arms.
New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.
New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.
In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.
The Niger uranium forgeries were forged documents initially released by SISMI (Italian military intelligence), which seem to depict an attempt made by Saddam Hussein in Iraq to purchase yellowcake uranium powder from Niger during the Iraq disarmament crisis.
The Nobel Peace Prize (Swedish, Norwegian: Nobels fredspris) is one of the five Nobel Prizes created by the Swedish industrialist, inventor, and armaments manufacturer Alfred Nobel, along with the prizes in Chemistry, Physics, Physiology or Medicine, and Literature.
North Korea (Chosŏn'gŭl:조선; Hanja:朝鮮; Chosŏn), officially the Democratic People's Republic of Korea (abbreviated as DPRK, PRK, DPR Korea, or Korea DPR), is a country in East Asia constituting the northern part of the Korean Peninsula.
North Korea has a military nuclear weapons program and also has a significant quantity of chemical and biological weapons.
The Nth Country Experiment was an experiment conducted by Lawrence Livermore National Laboratory starting in May 1964 which sought to assess the risk of nuclear proliferation.
Nuclear artillery is a subset of limited-yield tactical nuclear weapons, in particular those weapons that are launched from the ground at battlefield targets.
Nuclear blackout, also known as fireball blackout or radar blackout, is an effect caused by explosions of nuclear weapons that disturbs radio communications and causes radar systems to be blacked out or heavily refracted so they can no longer be used for accurate tracking and guidance.
A nuclear bunker buster, also known as an earth-penetrating weapon (EPW), is the nuclear equivalent of the conventional bunker buster.
A nuclear chain reaction occurs when one single nuclear reaction causes an average of one or more subsequent nuclear reactions, thus leading to the possibility of a self-propagating series of these reactions.
A nuclear depth bomb is the nuclear equivalent of the conventional depth charge, and can be used in anti-submarine warfare for attacking submerged submarines.
A nuclear electromagnetic pulse (commonly abbreviated as nuclear EMP, or NEMP) is a burst of electromagnetic radiation created by nuclear explosions.
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.
Nuclear fallout, or simply fallout, is the residual radioactive material propelled into the upper atmosphere following a nuclear blast, so called because it "falls out" of the sky after the explosion and the shock wave have passed.
In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei).
Nuclear fission products are the atomic fragments left after a large atomic nucleus undergoes nuclear fission.
Nuclear forensics is the investigation of nuclear materials to find evidence for the source, the trafficking, and the enrichment of the material.
In nuclear physics, nuclear fusion is a reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons or protons).
A nuclear holocaust or nuclear apocalypse is a theoretical scenario involving widespread destruction and radioactive fallout causing the collapse of civilization, through the use of nuclear weapons.
Nuclear peace is a theory of international relations that argues that under some circumstances nuclear weapons can induce stability and decrease the chances of crisis escalation.
Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as "Nuclear Weapon States" by the Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT.
A nuclear pumped laser is a laser pumped with the energy of fission fragments.
In nuclear physics and nuclear chemistry, a nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle (such as a proton, neutron, or high energy electron) from outside the atom, collide to produce one or more nuclides that are different from the nuclide(s) that began the process.
Nuclear sharing is a concept in NATO's policy of nuclear deterrence, which involves member countries without nuclear weapons of their own in the planning for the use of nuclear weapons by NATO.
Nuclear technology is technology that involves the nuclear reactions of atomic nuclei.
Nuclear terrorism refers to an act of terrorism in which a person or people belonging to a terrorist organization detonates a nuclear device.
A nuclear torpedo is a torpedo armed with a nuclear warhead.
Nuclear warfare (sometimes atomic warfare or thermonuclear warfare) is a military conflict or political strategy in which nuclear weaponry is used to inflict damage on the enemy.
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or from a combination of fission and fusion reactions (thermonuclear bomb).
Nuclear weapon designs are physical, chemical, and engineering arrangements that cause the physics package of a nuclear weapon to detonate.
In October 1952, the United Kingdom (UK) became the third country to independently develop and test nuclear weapons.
Nuclear weapons delivery is the technology and systems used to place a nuclear weapon at the position of detonation, on or near its target.
Since their public debut in August 1945, nuclear weapons and their potential effects have been a recurring motif in popular culture, to the extent that the decades of the Cold War are often referred to as the "atomic age".
The United States was the first country to manufacture nuclear weapons and is the only country to have used them in combat, with the separate bombings of Hiroshima and Nagasaki in World War II.
Nuclear weapons tests are experiments carried out to determine the effectiveness, yield, and explosive capability of nuclear weapons.
Nuclear winter is the severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war.
A nuclear-weapons-free zone (NWFZ) is defined by the United Nations as an agreement which a group of states has freely established by treaty or convention that bans the use, development, or deployment of nuclear weapons in a given area, that has mechanisms of verification and control to enforce its obligations, and that is recognized as such by the General Assembly of the United Nations.
The OPANAL (which stands for el Organismo para la Proscripción de las Armas Nucleares en la América Latina y el Caribe) is an international organization which promotes a aggression compact and nuclear disarmament in much of the Americas.
Operation Opera (מבצע אופרה.), also known as Operation Babylon, was a surprise Israeli air strike carried out on 7 June 1981, which destroyed an Iraqi nuclear reactor under construction 17 kilometers (10.5 miles) southeast of Baghdad.
Operation Outside the Box (מבצע מחוץ לקופסה, Mivtza Michutz La'Kufsa) was an Israeli airstrike on a suspected nuclear reactor, Associated Press Latest Update: 04.28.11, 18:10 referred to as the Al Kibar site (also referred to in IAEA documents as Dair Alzour), in the Deir ez-Zor region of Syria, which occurred just after midnight (local time) on 6 September 2007.
The Pacific Proving Grounds was the name given by the United States government to a number of sites in the Marshall Islands and a few other sites in the Pacific Ocean at which it conducted nuclear testing between 1946 and 1962.
Pakistan is one of nine states to possess nuclear weapons. Pakistan began development of nuclear weapons in January 1972 under Prime Minister Zulfikar Ali Bhutto, who delegated the program to the Chairman of the Pakistan Atomic Energy Commission (PAEC) Munir Ahmad Khan with a commitment to having the bomb ready by the end of 1976. Since PAEC, consisting of over twenty laboratories and projects under nuclear engineer Munir Ahmad Khan, was falling behind schedule and having considerable difficulty producing fissile material, Abdul Qadeer Khan was brought from Europe by Bhutto at the end of 1974. As pointed out by Houston Wood, Professor of Mechanical & Aerospace Engineering, University of Virginia, Charlottesville, in his article on gas centrifuges, "The most difficult step in building a nuclear weapon is the production of fissile material"; as such, this work in producing fissile material as head of the Kahuta Project was pivotal to Pakistan developing the capability to detonate a nuclear bomb by the end of 1984.Levy, Adrian and Catherine Scott-Clark, Deception: Pakistan, the United States, and the Secret Trade in Nuclear Weapons. New York. Walker Publishing Company. 1977: page 112. Print. The Kahuta Project started under the supervision of a coordination board that oversaw the activities of KRL and PAEC. The Board consisted of A G N Kazi (secretary general, finance), Ghulam Ishaq Khan (secretary general, defence), and Agha Shahi (secretary general, foreign affairs), and reported directly to Bhutto. Ghulam Ishaq Khan and General Tikka Khan appointed military engineer Major General Ali Nawab to the program. Eventually, the supervision passed to Lt General Zahid Ali Akbar Khan in President General Muhammad Zia-ul-Haq's Administration. Moderate uranium enrichment for the production of fissile material was achieved at KRL by April 1978. Pakistan's nuclear weapons development was in response to the loss of East Pakistan in 1971's Bangladesh Liberation War. Bhutto called a meeting of senior scientists and engineers on 20 January 1972, in Multan, which came to known as "Multan meeting". Bhutto was the main architect of this programme, and it was here that Bhutto orchestrated nuclear weapons programme and rallied Pakistan's academic scientists to build the atomic bomb in three years for national survival. At the Multan meeting, Bhutto also appointed Munir Ahmad Khan as chairman of PAEC, who, until then, had been working as director at the nuclear power and Reactor Division of the International Atomic Energy Agency (IAEA), in Vienna, Austria. In December 1972, Abdus Salam led the establishment of Theoretical Physics Group (TPG) as he called scientists working at ICTP to report to Munir Ahmad Khan. This marked the beginning of Pakistan's pursuit of nuclear deterrence capability. Following India's surprise nuclear test, codenamed Smiling Buddha in 1974, the first confirmed nuclear test by a nation outside the permanent five members of the United Nations Security Council, the goal to develop nuclear weapons received considerable impetus. Finally, on 28 May 1998, a few weeks after India's second nuclear test (Operation Shakti), Pakistan detonated five nuclear devices in the Ras Koh Hills in the Chagai district, Balochistan. This operation was named Chagai-I by Pakistan, the underground iron-steel tunnel having been long-constructed by provincial martial law administrator General Rahimuddin Khan during the 1980s. The last test of Pakistan was conducted at the sandy Kharan Desert under the codename Chagai-II, also in Balochistan, on 30 May 1998. Pakistan's fissile material production takes place at Nilore, Kahuta, and Khushab Nuclear Complex, where weapons-grade plutonium is refined. Pakistan thus became the seventh country in the world to successfully develop and test nuclear weapons. Although, according to a letter sent by A.Q. Khan to General Zia, the capability to detonate a nuclear bomb using highly enriched uranium as fissile material produced at KRL had been achieved by KRL in 1984.
The Partial Test Ban Treaty (PTBT) is the abbreviated name of the 1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water, which prohibited all test detonations of nuclear weapons except for those conducted underground.
In the physical sciences, a particle (or corpuscule in older texts) is a small localized object to which can be ascribed several physical or chemical properties such as volume, density or mass.
The Public Broadcasting Service (PBS) is an American public broadcaster and television program distributor.
The Penguin Group is a trade book publisher and part of Penguin Random House.
Pierre Marie Gallois (29 June 1911 – 24 August 2010) was a French air force brigadier general and geopolitician.
Plutonium is a radioactive chemical element with symbol Pu and atomic number 94.
Plutonium-239 is an isotope of plutonium.
A policy of deliberate ambiguity (also known as a policy of strategic ambiguity, strategic uncertainty) is the practice by a country of being intentionally ambiguous on certain aspects of its foreign policy or whether it possesses certain weapons of mass destruction.
Prague (Praha, Prag) is the capital and largest city in the Czech Republic, the 14th largest city in the European Union and also the historical capital of Bohemia.
In nuclear strategy, a first strike is a preemptive surprise attack employing overwhelming force.
Project Excalibur was a Lawrence Livermore National Laboratory (LLNL) research program to develop an X-ray laser as a ballistic missile defense (BMD).
The Pugwash Conferences on Science and World Affairs is an international organization that brings together scholars and public figures to work toward reducing the danger of armed conflict and to seek solutions to global security threats.
Pugwash (2012 population: 736) is a village in Cumberland County, Nova Scotia, Canada.
A pure fusion weapon is a hypothetical hydrogen bomb design that does not need a fission "primary" explosive to ignite the fusion of deuterium and tritium, two heavy isotopes of hydrogen (see thermonuclear weapon for more information about fission-fusion weapons).
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
The Radiation Effects Research Foundation (RERF) is a joint U.S.-Japan research organization responsible for studying the medical effects of radiation and associated diseases in humans for the welfare of the survivors and all humankind.
The United States Radiation Exposure Compensation Act (RECA) is a federal statute providing for the monetary compensation of people, including atomic veterans, who contracted cancer and a number of other specified diseases as a direct result of their exposure to atmospheric nuclear testing undertaken by the United States during the Cold War, or their exposure to radon gas and other radioactive isotopes while undertaking uranium mining, milling or the transportation of ore.
Radioactive contamination, also called radiological contamination, is the deposition of, or presence of radioactive substances on surfaces or within solids, liquids or gases (including the human body), where their presence is unintended or undesirable (from the International Atomic Energy Agency - IAEA - definition).
Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation, such as an alpha particle, beta particle with neutrino or only a neutrino in the case of electron capture, gamma ray, or electron in the case of internal conversion.
Radioactive waste is waste that contains radioactive material.
Radiophobia is an obsessive fear of ionizing radiation, in particular, fear of X-rays.
Reuters is an international news agency headquartered in London, United Kingdom.
Richard Lee Rhodes (born July 4, 1937) is an American historian, journalist and author of both fiction and non-fiction (which he prefers to call "verity"), including the Pulitzer Prize-winning The Making of the Atomic Bomb (1986), and most recently, Energy: A Human History (2018).
Rinaldo S. Brutoco (born in Toronto, Canada on February 27, 1947) is a corporate executive, entrepreneur, and consultant.
Robert L. Gallucci (born February 11, 1946) is an American academic and diplomat, who formerly worked as president of the John D. and Catherine T. MacArthur Foundation.
The Russell–Einstein Manifesto was issued in London on 9 July 1955 by Bertrand Russell in the midst of the Cold War.
According to the Federation of American Scientists, an organization that assesses nuclear weapon stockpiles, as of 2017, the Russian Federation possesses 7,300 total nuclear warheads, of which 4,500 are strategically operational.
A salted bomb is a nuclear weapon designed to function as a radiological weapon, producing enhanced quantities of radioactive fallout, rendering a large area uninhabitable.
Samuel Augustus Nunn Jr. (born September 8, 1938) is an American lawyer and politician.
Sea ice arises as seawater freezes.
The Secretary-General of the United Nations (UNSG or just SG) is the head of the United Nations Secretariat, one of the six principal organs of the United Nations.
The September 11, 2001 attacks (also referred to as 9/11) were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001.
Shelter in place (also known as a Shelter In-Place Warning, SAME code SPW) is to seek safety within the building one already occupies, rather than to evacuate the area or seek a community emergency shelter.
The sievert (symbol: SvNot be confused with the sverdrup or the svedberg, two non-SI units that sometimes use the same symbol.) is a derived unit of ionizing radiation dose in the International System of Units (SI) and is a measure of the health effect of low levels of ionizing radiation on the human body.
Small arms include handguns (revolvers and pistols) and long guns, such as rifles, carbines, shotguns, submachine guns, assault rifles, personal defense weapons, and light machine guns.
The Smyth Report is the common name of an administrative history written by American physicist Henry DeWolf Smyth about the Manhattan Project, the Allied effort to develop atomic bombs during World War II.
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.
From the 1960s to the 1980s, South Africa pursued research into weapons of mass destruction, including nuclear, biological, and chemical weapons.
South Korea, officially the Republic of Korea (대한민국; Hanja: 大韓民國; Daehan Minguk,; lit. "The Great Country of the Han People"), is a country in East Asia, constituting the southern part of the Korean Peninsula and lying east to the Asian mainland.
The Soviet Union, officially the Union of Soviet Socialist Republics (USSR) was a socialist state in Eurasia that existed from 1922 to 1991.
Spain (España), officially the Kingdom of Spain (Reino de España), is a sovereign state mostly located on the Iberian Peninsula in Europe.
The Special Atomic Demolition Munition (SADM) was a family of man-portable nuclear weapons fielded by the US military in the 1960s, but never used in combat.
Spencer R. Weart (born 1942) was the director of the Center for History of Physics of the American Institute of Physics (AIP) from 1971 until his retirement in 2009.
The stability–instability paradox is an international relations theory regarding the effect of nuclear weapons and mutually assured destruction.
Starfish Prime was a July 9, 1962 high-altitude nuclear test conducted by the United States, a joint effort of the Atomic Energy Commission (AEC) and the Defense Atomic Support Agency.
START (Strategic Arms Reduction Treaty) was a bilateral treaty between the United States of America and the Union of Soviet Socialist Republics (USSR) on the reduction and limitation of strategic offensive arms.
START II (Strategic Arms Reduction Treaty) was a bilateral treaty between the United States of America and Russia on the Reduction and Limitation of Strategic Offensive Arms.
The Strategic Arms Limitation Talks (SALT) were two rounds of bilateral conferences and corresponding international treaties involving the United States and the Soviet Union, the Cold War superpowers, on the issue of arms control.
A strategic bomber is a medium to long range penetration bomber aircraft designed to drop large amounts of air-to-ground weaponry onto a distant target for the purposes of debilitating the enemy's capacity to wage war.
The Strategic Defense Initiative (SDI) was a proposed missile defense system intended to protect the United States from attack by ballistic strategic nuclear weapons (intercontinental ballistic missiles and submarine-launched ballistic missiles).
A strategic nuclear weapon refers to a nuclear weapon which is designed to be used on targets often in settled territory far from the battlefield as part of a strategic plan, such as military bases, military command centers, arms industries, transportation, economic, and energy infrastructure, and heavily populated areas such as cities and towns, which often contain such targets.
The Treaty Between the United States of America and the Russian Federation on Strategic Offensive Reductions (SORT), also known as the Treaty of Moscow, was a strategic arms reduction treaty between the United States and Russia that was in force from June 2003 until February 2011 when it was superseded by the New START treaty.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.
A submarine-launched ballistic missile (SLBM) is a ballistic missile capable of being launched from submarines.
A suitcase nuclear device (also suitcase bomb, backpack nuke, mini-nuke and pocket nuke) is a hypothetical tactical nuclear weapon that is portable enough that it could use a suitcase as its delivery method.
The surrender of Imperial Japan was announced on August 15 and formally signed on September 2, 1945, bringing the hostilities of World War II to a close.
Syria (سوريا), officially known as the Syrian Arab Republic (الجمهورية العربية السورية), is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the west, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest.
A tactical nuclear weapon (TNW) or non-strategic nuclear weapon is a nuclear weapon, generally smaller in its explosive power, which is designed to be used on a battlefield in military situations, mostly with friendly forces in proximity and perhaps even on contested friendly territory.
Terrorism is, in the broadest sense, the use of intentionally indiscriminate violence as a means to create terror among masses of people; or fear to achieve a financial, political, religious or ideological aim.
The Making of the Atomic Bomb is a contemporary history book written by the American journalist and historian Richard Rhodes, first published by Simon & Schuster in 1987.
The New York Review of Books (or NYREV or NYRB) is a semi-monthly magazine with articles on literature, culture, economics, science and current affairs.
The Pentagon is the headquarters of the United States Department of Defense, located in Arlington County, Virginia, across the Potomac River from Washington, D.C. As a symbol of the U.S. military, The Pentagon is often used metonymically to refer to the U.S. Department of Defense.
The Washington Post is a major American daily newspaper founded on December 6, 1877.
TheGuardian.com, formerly known as Guardian.co.uk and Guardian Unlimited, is a British news and media website owned by the Guardian Media Group.
A thermonuclear weapon is a second-generation nuclear weapon design using a secondary nuclear fusion stage consisting of implosion tamper, fusion fuel, and spark plug which is bombarded by the energy released by the detonation of a primary fission bomb within, compressing the fuel material (tritium, deuterium or lithium deuteride) and causing a fusion reaction.
Thomas Powers (New York City, December 12, 1940) is an American author and intelligence expert.
Japan's are a parliamentary resolution (never adopted into law) that have guided Japanese nuclear policy since their inception in the late 1960s, and reflect general public sentiment and national policy since the end of World War II.
Thyroid cancer is cancer that develops from the tissues of the thyroid gland.
Titan is a family of United States expendable rockets used between 1959 and 2005.
Trinitrotoluene (TNT), or more specifically 2,4,6-trinitrotoluene, is a chemical compound with the formula C6H2(NO2)3CH3.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.
Total war is warfare that includes any and all civilian-associated resources and infrastructure as legitimate military targets, mobilizes all of the resources of society to fight the war, and gives priority to warfare over non-combatant needs.
Trafalgar Square is a public square in the City of Westminster, Central London, built around the area formerly known as Charing Cross.
A transporter erector launcher (TEL) is a missile vehicle with an integrated prime mover that can carry, elevate to firing position and launch one or more missiles.
The Treaty of Tlatelolco is the conventional name given to the Treaty for the Prohibition of Nuclear Weapons in Latin America and the Caribbean.
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 general and complete disarmament.
Trinity was the code name of the first detonation of a nuclear weapon.
Tritium (or; symbol or, also known as hydrogen-3) is a radioactive isotope of hydrogen.
Tsar Bomba was the Western nickname for the Soviet RDS-220 hydrogen bomb (code name Ivan or Vanya), the most powerful nuclear weapon ever created.
A tuna is a saltwater fish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family (Scombridae).
Turkey (Türkiye), officially the Republic of Turkey (Türkiye Cumhuriyeti), is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe.
Ukraine (Ukrayina), sometimes called the Ukraine, is a sovereign state in Eastern Europe, bordered by Russia to the east and northeast; Belarus to the northwest; Poland, Hungary, and Slovakia to the west; Romania and Moldova to the southwest; and the Black Sea and Sea of Azov to the south and southeast, respectively.
Underground nuclear testing is the test detonation of nuclear weapons that is performed underground.
An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is a conventional aircraft-delivered bomb that does not contain a guidance system and hence, simply follows a ballistic trajectory.
The United Kingdom possesses, or has possessed, a variety of weapons of mass destruction, including nuclear, biological, and chemical weapons.
The United Nations (UN) is an intergovernmental organization tasked to promote international cooperation and to create and maintain international order.
The Charter of the United Nations (also known as the UN Charter) of 1945 is the foundational treaty of the United Nations, an intergovernmental organization.
The United Nations General Assembly (UNGA or GA; Assemblée Générale AG) is one of the six principal organs of the United Nations (UN), the only one in which all member nations have equal representation, and the main deliberative, policy-making and representative organ of the UN.
The United Nations Secretariat (le Secrétariat des Nations unies) is one of the six major organs of the United Nations, with the others being (a) the General Assembly; (b) the Security Council; (c) the Economic and Social Council; (d) the defunct Trusteeship Council; and (e) the International Court of Justice.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The United States Air Force (USAF) is the aerial and space warfare service branch of the United States Armed Forces.
The United States is known to have possessed three types of weapons of mass destruction: nuclear weapons, chemical weapons, and biological weapons.
The United States Army Air Forces (USAAF or AAF), informally known as the Air Force, was the aerial warfare service of the United States of America during and immediately after World War II (1939/41–1945), successor to the previous United States Army Air Corps and the direct predecessor of the United States Air Force of today, one of the five uniformed military services.
The United States Atomic Energy Commission, commonly known as the AEC, was an agency of the United States government established after World War II by U.S. Congress to foster and control the peacetime development of atomic science and technology.
The United States Department of Energy (DOE) is a cabinet-level department of the United States Government concerned with the United States' policies regarding energy and safety in handling nuclear material.
The United States Armed Forces uses a number of terms to define the magnitude and extent of nuclear incidents.
The Universal Declaration of Human Rights (UDHR) is a historic document that was adopted by the United Nations General Assembly at its third session on 10 December 1948 as Resolution 217 at the Palais de Chaillot in Paris, France.
The University of New Mexico (also referred to as UNM) is a public research university in Albuquerque, New Mexico.
Uranium is a chemical element with symbol U and atomic number 92.
Uranium-233 is a fissile isotope of uranium that is bred from thorium-232 as part of the thorium fuel cycle.
Uranium-235 (235U) is an isotope of uranium making up about 0.72% of natural uranium.
Variable yield—or dial-a-yield—is an option available on most modern nuclear weapons.
A weapon of mass destruction (WMD) is a nuclear, radiological, chemical, biological or other weapon that can kill and bring significant harm to a large number of humans or cause great damage to human-made structures (e.g., buildings), natural structures (e.g., mountains), or the biosphere.
William James Perry (born October 11, 1927) is an American mathematician, engineer, and businessman who was the United States Secretary of Defense from February 3, 1994, to January 23, 1997, under President Bill Clinton.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
X-rays make up X-radiation, a form of electromagnetic radiation.
On 14 February 1950, a Convair B-36B, Air Force Serial Number 44-92075 assigned to the 7th Bomb Wing at Carswell Air Force Base, crashed in northern British Columbia after jettisoning a Mark 4 nuclear bomb.
The 1961 Goldsboro B-52 crash was an accident that occurred near Goldsboro, North Carolina, on January 24, 1961.
The 1965 Philippine Sea A-4 crash was a Broken Arrow incident in which a United States Navy Douglas A-4E Skyhawk attack aircraft of Attack Squadron 56 (VA-56) carrying a nuclear weapon fell into the sea off Japan from the aircraft carrier.
The 1966 Palomares B-52 crash, or the Palomares incident, occurred on 17 January 1966, when a B-52G bomber of the United States Air Force's Strategic Air Command collided with a KC-135 tanker during mid-air refueling at over the Mediterranean Sea, off the coast of Spain.
On 21 January 1968, an aircraft accident (sometimes known as the Thule affair or Thule accident; Thuleulykken) involving a United States Air Force (USAF) B-52 bomber occurred near Thule Air Base in the Danish territory of Greenland.
The Damascus Titan missile explosion (also known as the Damascus accident) was a 1980 U.S. Broken Arrow incident involving a Titan II Intercontinental Ballistic Missile (ICBM).
2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.
2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.
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