sonar
type: Concept
preferred label: سونار @fa
related: sonar countermeasures

sonar detection
type: Concept
preferred label: آشکارسازی سوناری @fa
related: sonar countermeasures

sonar countermeasures
type: Concept
alternative label: ENMASCARAMIENTO DE RUIDOS
broader: countermeasures
preferred label: ضدعملیات سونار @fa
related: sonar detection
related: sonar

countermeasures
type: Concept
narrower: sonar countermeasures
preferred label: ضدعملیات @fa