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small arms
(Encyclopedia)small arms, firearms designed primarily to be carried and fired by one person and, generally, held in the hands, as distinguished from heavy arms, or artillery. Automatic small arms were develope...International Physicians for the Prevention of Nuclear War
(Encyclopedia)International Physicians for the Prevention of Nuclear War (IPPNW), worldwide organization of medical groups dedicated to eliminating nuclear weapons and preventing nuclear war, est. 1980. Based in Ca...disarmament, nuclear
(Encyclopedia)disarmament, nuclear, the reduction and limitation of the various nuclear weapons in the military forces of the world's nations. The atomic bombs dropped (1945) on Japan by the United States in World ...Organization for the Prohibition of Chemical Weapons
(Encyclopedia)Organization for the Prohibition of Chemical Weapons (OPCW), international body (est. 1997) responsible for the implementation of the Chemical Weapons Convention (CWC), which aims at the destruction o...commando
(Encyclopedia)commando, small, elite military raiding and assault unit or soldier. Although the word was coined in the Boer War (1899–1902), the role is as old as battles themselves. In 1940, when the British org...artillery
(Encyclopedia)artillery, originally meant any large weaponry (including such ancient engines of war as catapults and battering rams) or war material, but later applied only to heavy firearms as opposed to small arm...trench warfare
(Encyclopedia)trench warfare. Although trenches were used in ancient and medieval warfare, in the American Civil War, and in the Russo-Japanese War (1904–5), they did not become important until World War I. The i...brittlestar
(Encyclopedia)brittlestar, common name for echinoderms belonging to the class Ophiuroidea. The name is derived from their habit of breaking off arms as a means of defense. New arms are easily regenerated. They are ...cavalry
(Encyclopedia)cavalry, a military force consisting of mounted troops trained to fight from horseback. Horseback riding probably evolved independently in the Eurasian steppes and the mountains above the Mesopotamian...nuclear weapons
(Encyclopedia)nuclear weapons, weapons of mass destruction powered by atomic, rather than chemical, processes. Nuclear weapons produce large explosions and hazardous radioactive byproducts by means of either nuclea...Browse by Subject
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