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A Weapon Of Mass Destruction (WMD) Nuclear, bacteriological, or other weapon capable of causing widespread death or destruction.

A weapon of mass destruction (WMD) is a weapon that can kill large numbers of humans and/or cause great damage to man-made structures."Mass Destruction" is the name of the first single from the fourth album by Faithless, No Roots.

A weapon of mass destruction (WMD) is a weapon that can kill large numbers of humans and/or cause great damage to man-made structures. Any weapon or device that is intended, or has the capability, to cause death or serious bodily injury to a significant number of people.

(DOD) Weapons that are capable of a high order of destruction and/or of being used in such a manner as to destroy large numbers of people.Nuclear, biological, or chemical weapons.
( in weapon of mass destruction ) ...of modern WMD. Chemical weapons consist of liquids and gases that choke their victims, poison their blood, blister their skin, or disrupt their nervous system. Weapons capable of destroying large areas and/or killing and disabling large segments of the population.

Generally perceived by the international community to be nuclear, biological, and chemical weapons. Weapons of mass destruction, because of their extensive destructive force, are generally reviled by peace activists and are usually subjected to some level of international legal restriction.

The Term "Weapon Of Mass Destruction" Means:



  • (A) any destructive device as defined in section 921 of this title;

  • (B) any weapon that is designed or intended to cause death or serious bodily injury through the release, dissemination, or impact of toxic or poisonous chemicals, or their precursors;

  • (C) any weapon involving a biological agent, toxin, or vector (as those terms are defined in section 178 of this title); or

  • (D) any weapon that is designed to release radiation or radioactivity at a level dangerous to human life; Link...

A very destructive bomb that derives its explosive power from the fission of atomic nuclei. Atomic bombs usually have plutonium 239 or uranium 235 as their fissionable material. Also called atom bomb.


A bomb that derives its destructive power from the rapid release of nuclear energy by fission of heavy atomic nuclei, causing damage through heat, blast, and radioactivity. In such a bomb two pieces of a fissile material are brought together by a conventional explosion to form a super critical mass. Neutrons then cause an uncontrolled fission chain reaction that quickly releases large amounts of energy.
An explosive weapon of great destructive power derived from the rapid release of energy in the fission of heavy atomic nuclei, as of uranium 235. Also called A-bomb, atomic bomb; Also called fission bomb.

Atomic bomb or A-bomb, weapon deriving its explosive force from the release of atomic energy through the fission (splitting) of heavy nuclei a bomb deriving its destructive power from the release of nuclear energy.
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Nuclear weapons derive their explosive power from the fission (splitting) and fusion (combining) of atoms. Fusion devices need to be combined with a nuclear fission weapon to generate the intense heat necessary to begin the still more powerful process of fusion. Fusion weapons—the ‘H’ (hydrogen) bomb—can be a thousand times more powerful than fission weapons and these opened the horrific possibility of global destruction through nuclear missile war. Many early ‘fusion’ weapons were in fact ‘boosted fission devices’, gaining most of their power from the fission explosion with a fusion component to enhance its efficiency. Military requirements have also led to enhanced radiation/reduced blast weapons, the so-called ‘neutron bomb’, in which the immediate radiation is multiplied in order to kill troops rather than destroy installations.A number of ‘third-generation nuclear weapons’ are under development in the USA and Russia, however. These include diverting the rays from a nuclear explosion and pumping it out in a beam, or very low-yield nuclear weapons to destroy missiles or electronics with radiation alone. Over the past half-century, nuclear weapons have had enormous influence on the design of conventional military forces. But, apart from the two bombs on Japan which ended WW II, they were seen as too terrible to use.

The energy released from a nuclear weapons detonated in the troposphere can be divided into four basic categories:

Blast—40-50% of total energy
Thermal radiation—30-50% of total energy
Ionizing radiation—5% of total energy
Residual radiation—5-10% of total energy

The first nuclear-tipped rockets, such as the MGR-1 Honest John, first deployed by the U.S. in 1953, were surface-to-surface missiles with relatively short ranges (around 15 mi/25 km maximum) with yields around twice the size of the first fission weapons. The limited range of these weapons meant that they could only be used in certain types of potential military situations—the U.S. rocket weapons could not, for example, threaten the city of Moscow with the threat of an immediate strike, and could only be used as "tactical" weapons (that is, for small-scale military situations).

With the development of more rapid-response technologies (such as rockets and long-range bombers), this policy began to shift. If the Soviet Union also had nuclear weapons and a policy of "massive retaliation" was carried out, it was reasoned, then any Soviet forces not killed in the initial attack, or launched while the attack was ongoing, would be able to serve their own form of nuclear "retaliation" against the U.S. Recognizing this to be an undesirable outcome, military officers and game theorists at the RAND think tank developed a nuclear warfare strategy that would eventually become known as Mutually Assured Destruction (MAD).
These policies and strategies were satirized in the 1964 Stanley Kubrick film Dr. Strangelove, in which the Soviets, unable to keep up with the US's first strike capability, instead plan for MAD by building a Doomsday Machine, and thus, after a (literally) mad US General orders a nuclear attack on the USSR, the end of the world is brought about.


In the U.S., massive funding was poured into the development of SAGE, a system which would track and intercept enemy bomber aircraft using information from remote radar stations, and was the first computer system to feature real-time processing, multiplexing, and display devices—the first "general" computing machine, and a direct predecessor of modern computers.


The history of nuclear weapons chronicles the development of nuclear weapons. Nuclear weapons are devices that possess enormous destructive potential derived from nuclear fission or nuclear fusion reactions. Starting with the scientific breakthroughs of the 1930s which made their development possible, and continuing through the nuclear arms race and nuclear testing of the Cold War, the issues of proliferation and possible use for terrorism still remain in the early 21st century.
The first fission weapons, also known as "atomic bombs," were developed jointly by the United States, Britain and Canada during World War II in what was called the Manhattan Project. In August 1945 two were dropped on Japan ending the Pacific War. An international team was dispatched to help work on the project. The Soviet Union started development shortly thereafter with their own atomic bomb project, and not long after that both countries developed even more powerful fusion weapons also called "hydrogen bombs."
During the Cold War, the Soviet Union and United States each acquired nuclear weapons arsenals numbering in the thousands, placing many of them onto rockets which could hit targets anywhere in the world. Currently there are at least nine countries with functional nuclear weapons. A considerable amount of international negotiating has focused on the threat of nuclear warfare and the proliferation of nuclear weapons to new nations or groups.


Nuclear weapons have also been opposed by agreements between countries. Many nations have been declared Nuclear-Weapon-Free Zones, areas where nuclear weapons production and deployment are prohibited, through the use of treaties. The Treaty of Tlatelolco (1967) prohibited any production or deployment of nuclear weapons in Latin America and the Caribbean, and the Treaty of Pelindaba (1964) prohibits nuclear weapons in many African countries. As recently as 2006 a Central Asian Nuclear Weapon Free Zone was established amongst the former Soviet republics of Central Asia prohibiting nuclear weapons.
In the middle of 1996, the International Court of Justice, the highest court of the United Nations, issued an Advisory Opinion concerned with the "Legality of the Threat or Use of Nuclear Weapons". The court ruled that the use or threat of use of nuclear weapons would violate various articles of international law, including the Geneva Conventions, the Hague Conventions, the UN Charter, and the Universal Declaration of Human Rights.
Additionally, there have been other, specific actions meant to discourage countries from developing nuclear arms. In the wake of the tests by India and Pakistan in 1998, economic sanctions were (temporarily) levied against both countries, though neither were signatories with the Nuclear Non-Proliferation Treaty. One of the stated casus belli for the initiation of the 2003 Iraq War was an accusation by the United States that Iraq was actively pursuing nuclear arms (though this was soon discovered not to be the case as the program had been discontinued). In 1981, Israel had bombed a nuclear reactor in Osirak, Iraq, in what it called an attempt to halt Iraq's previous nuclear arms ambitions.

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