Definitions
There is 1 meaning of the phrase
Passive Air Defense.
Passive Air Defense - as a noun
Air defense by the use of deception or dispersion or protective construction
Example Sentences
"The military base has implemented a passive air defense system to detect incoming threats."
"The country invested heavily in passive air defense technologies to protect its airspace."
"The passive air defense network consists of radar systems and early warning sensors."
"During wartime, civilians may be instructed to take shelter in passive air defense bunkers."
"The passive air defense capabilities of the nation were upgraded to counter evolving aerial threats."
