A system of liquid or solid particles uniformly distributed in a finely divided state through a gas, usually air.  Because aerosols are a means for delivering chemical and biological agents, they can [..]

Refers to the process of blending down HEU to LEU. This is done by mixing HEU and the blendstock (of natural, depleted, or slightly enriched uranium) in either liquid or gas form. See highly enriched [..]

A nerve agent is a chemical weapon that attacks the human nervous system, leading to uncontrolled nerve cell excitation and muscle contraction. Specifically, nerve agents block the enzyme cholinestere [..]

The third and final phase of the flight path of a ballistic missile. Refers to the trajectory of the warhead, now decoupled from the missile, as it re-enters the earth's atmosphere and proceed [..]

A process for sorting injured or ill people into prioritized groups based on their need for and/or likely benefit from immediate medical treatment.

Epidemic typhus has affected numerous military campaigns, including Napoleon’s invasion of Russia and the Eastern front during WWI.  Typhus causes widespread vascular damage, and patients experience f [..]

Founded in 1995 during the NPT Review and Extension Conference, Abolition 2000 is an international non-governmental global network working for a treaty to eliminate nuclear weapons within a time-bound [..]

A U.S. initiative to outlaw nuclear weapons and to internationalize global stocks of fissile material for use in peaceful nuclear programs which became know as the Baruch Plan. See entry for Baruch Pl [..]

Active defenses use weapon systems or countermeasures to defend against an attack. See entry for Passive Defenses

The Additional Protocol is a legal document granting the International Atomic Energy Agency (IAEA) complementary inspection authority to that provided in underlying safeguards agreements. The principa [..]