сигналізація аварійної ситуації у польоті
air alert
crash air alert
air defense early warning
early warning (air defense)
air warning battalion
airborne alert
alert
alert condition (LERTCON)
alert crew
alert level
alert mission
alert posture
bug alert
carrier alert
combat alert duty
combat alert forces
deferred alert
distress alert; distress call
fast reaction alert posture
full alert (posture)
gas alert
Global Disaster Alert and Coordination System (GDACS) (UN)
Global Outbreak Alert Response Network (GOARN, WHO)
hot alert
keep alert
normal alert
notification of alert
on the alert
practice alert
quick reaction alert
ready alert
Ship Security Alert System (SSAS)