передова траншея; передовий окоп; перша траншея
trench line
deployment line; line of deployment (LD); line of departure
forward front-line deployment
front line
front line logistic support
front-line cover
front-line radar
in the front line
communication trench
connecting trench
crawl trench
evacuation trench
fighting trench
rifle squad trench
skirmisher's trench
slit trench
standard trench
trench
trench foot
trench warfare
trench-digging machine
approach trench
bipod trench
buried trench concept
all-around fire trench
normal fire trench
one-man fire trench
rocket-launcher fire trench anti-tank
standard fire trench
two-man fire trench
narrow slit trench
hasty trench