Attacking the air force of an opposing power.(adjective)
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Use "counterair" in a sentence
"Therefore, they must concentrate overwhelming fighter and attack helicopter strength to provide top cover and also intensify offensive counterair action in the sector."
"The air defense (counterair) operation can also provide protection for aircraft and missile systems conducting the long-range fire strike and ground maneuver forces striving to penetrate rapidly into enemy territory."
"The air defense (counterair) operation is a component of a strategic operation in a theater."