бойове чергування
duty, off duty
duty, on duty
combat alert forces
combat duty assignment
missile forces and artillery combat duty
air alert
airborne alert
alert
alert condition (LERTCON)
alert crew
alert level
alert mission
alert posture
bug alert
carrier alert
crash air alert
deferred alert
distress alert; distress call
fast reaction alert posture
full alert (posture)
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)
silent alert