площа ураження
declination aiming circle (declinated aiming circle)
danger area
potential danger area (trouble area)
zone of increased military danger
danger close
Danger Close method of engagement
Surface Danger Zone (SDZ)
danger space
danger warning
warn danger
eliminate danger
eliminate danger source
incur danger
source of danger
gas danger
isolated danger mark
linear danger area (LDA)
open area danger area
surface danger area
aiming circle
azimuth circle
horizontal circle clamp
periscopic aiming circle
aiming circle monocular
artillery aiming circle
azimuth aiming circle head
killing circle
circle
elevation circle
paraselenic circle
parhelic circle
antarctic circle