смуга охорони
sentry go / sentry-go
gate sentry
group sentry post
pick off a sentry
sentinel / sentry
air sentry
border and offshore submersible sentry
eye-guard; eye guard
grid zone / grid-zone
no-fly zone; air exclusion zone
zone standard time (zone time) (ZST)
killing zone / kill zone
grid zone designation / Grid Zone Designator
grey-zone / grey zone (international relations)
hundred-per-cent zone (one-hundred-per-cent zone)
no-fire zone / no fire zone
advance, flank, and rear guard
air national guard
Army National Guard (ARNG)
coast guard
coast guard reserve
corporal of the guard
flank guard
flank security guard
flash suppressor / guard / eliminator / hider / cone
guard
guard detail
guard dog
guard duty
guard mounting
guard of honour
guard-ship