Defensive weapons include:
* Personal weapons - see
Self-defense#Armed
*
Missile defense
Missile defense is a system, weapon, or technology involved in the detection, tracking, interception, and also the destruction of attacking missiles. Conceived as a defense against nuclear weapon, nuclear-armed intercontinental ballistic mi ...
* Planetary defense weapons - see
Asteroid impact avoidance
* Other means of neutralizing attacks - see
:Weapons countermeasures
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