рубіж готовності до відбиття хімічного нападу
gas alert position (of the respirator)
gas alert zone
gas alert
deployment line; line of deployment (LD); line of departure
gas gun; (tear) gas launcher
observer-target line (OT line)
scheme trail line (tag line)
air alert
airborne alert
alert condition (LERTCON)
alert level
bug alert
combat alert duty
combat alert forces
crash air alert
deferred alert
distress alert; distress call
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
ready alert
Ship Security Alert System (SSAS)
silent alert
stand-by alert
state of alert
status of alert (state of readiness)