ступінь готовності
low level wind shear alert system (LLWAS)
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
air alert
airborne alert
alert condition (LERTCON)
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
quick reaction alert
ready alert
Ship Security Alert System (SSAS)
silent alert
stand-by alert
state of alert
status of alert (state of readiness)
strategic alert
security alert team
Anti-Terrorism Alert Center
be on airborne alert
call alert receiver