лінія сторожової охорони
picket
picket screen
radar picket
radar picket destroyer
radar picket escort ship
jagged picket fence
radar picket fence
radar picket ship
scouting picket
fire picket
aircraft direction picket
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)
combat outpost line
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
final protective line (FPL)