голосове попередження; звукова сигналізація
audible alarm
audible tone
audible knock
advance warning
advance-warning satellite
air defense early warning
airborne early warning (AEW)
airborne early warning aircraft
airborne early warning and control (AEW&C)
airborne warning and control aircraft
Airborne Warning and Control System (AWACS)
ballistic missile early warning system
distant early warning line
early warning (air defense)
early warning (EW)
early warning ground-based radar (EW GBR)
early warning radar station
early warning sharing (system) (EWS)
early warning system (EWS)
early warning system (EWS) operator
fire a warning shot
gas alarm / warning
missile attack warning
missile early-warning system
missile warning
Movement Warning Order (MWO)
NATO Airborne Early Warning and Control Force
NATO Intelligence Warning System (NIWS)
phased array warning system (PAWS)
public warning
radar warning
radar warning equipment