air defense

Noun
  1. Defensive measures designed to destroy attacking enemy aircraft or missiles or to nullify their effectiveness (synset 100962303)
    is a type of: defence, defense, defensive measure - (military) military action or resources protecting a country against potential enemies
    subtypes:
    • active air defense - air defense by the use aircraft or missiles or artillery or electronic countermeasures
    • passive air defense - air defense by the use of deception or dispersion or protective construction

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