target area base line

base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction

deployment line; line of deployment (LD); line of departure

observer-target line (OT line)

defense industrial base / military-industrial base

naval base; naval operating base

target scattering crossover / target scattering cross-section / electronic target profile

base line of bullet

wing base line (WBL)

grid-north base line

air base line

magnetic пorth base line

base area defense ground environment

air base area

base of target

scheme trail line (tag line)

main defense area (line) / main defensive position

main defense (line) area

primary target line (PTL)

gun-target line (GTL)

maneuver-target line (MTL)

target sight line

coefficient of the line component of the observer-target factor

gun-target line

observer-target line

target line

battery target line

potential danger area (trouble area)

hazard area / hazardous area

killing area / kill area

open area danger area

area target

target area of interest (TAI)