резидентура
foreign spy agency
spy for (a country)
in the period in which the communications channel has been open
static ceiling (the highest altitude at which the helicopter is capable of hovering in standard atmosphere) / hover ceiling
base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction
defense industrial base / military-industrial base
naval base; naval operating base
spy equipment
spy into
spy out
spy satellite
trajectory within a standard atmosphere
within range of enemy influence
within visual range (WVR)
traveling spy
sow discord within
within cannon shot
within the sight
domestic spy agency
within gunshot
within gunshot range
Intermediate Maintenance (I-level) (in centrally located facilities within a designated geographical area)
within call
within level stock
within range (reach)
within sight
within-lot probable error
avenues of approach within the hostile positions
within earshot
within the hostile positions
within close range
fire within friendly lines