рубіж / смуга бойової охорони
combat outpost line
battle outpost
combat outpost
general outpost
outpost
outpost area
outpost defenses
outpost engagement
outpost troops
put out an outpost
march outpost
security outpost
bivouac outpost
deployment line; line of deployment (LD); line of departure
observer-target line (OT line)
scheme trail line (tag line)
armistice demarcation line
beyond line-of-sight (BLOS)
bulk distribution line
cease-fire line (CFL)
confrontation line
contact line
contamination control line
contour line (contour)
county line
defensive belt / line
delivery line (pipeline)
demarcation line
dismount line
distant early warning line
drive line / drive (propeller) shaft
final coordination line