A weapon is a tool which can be used to kill or incapacitate, to destroy property, or to otherwise render resources non-functional or unavailable. It may be used to attack and defend, and consequently also to threaten or protect. The use of weapons has been depicted in of cave painting, and the process has been formulated resulting in both martial arts and strategic doctrines. Metaphorically, anything used to damage (even psychologically) can be referred to as a weapon. A weapon can be as simple as a club or as complex as an intercontinental ballistic missile (ICBM). It should be noted that the human body has many natural integrated weapons, examples include the two large knuckles of a clenched fist, teeth, and the elbow.
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Military Weapons and Equipment

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