Hypernyms:defence defense defensive measure
Inherited Hypernyms:air defensedefensemilitary actiongroup actionacteventpsychological featureabstractionentity
Inherited Hypernyms:air defensedefensemilitary actiongroup actioneventpsychological featureabstractionentity
Direct Hyponyms:active air defensepassive air defense
Full Hyponyms:
active air defensepassive air defense