загородження у вигляді річки
river line
reach the river line
deployment line; line of deployment (LD); line of departure
cut across a river
leap a river
river crossing
bridge the river
left-bank tributary (of the river)
right-bank tributary (of the river)
vault a river
jump a river
river mouth
combined-arms river crossing training
span a river
river current
traverse a river
crash a river on the run
crashing a river on the run
feint river crossing
observer-target line (OT line)
scheme trail line (tag line)
antiboat obstacle
antipersonnel obstacle
antipersonnel obstacle breaching system (APOBS)
antitank obstacle
antivehicular obstacle
artificial obstacle
barbed wire obstacle
beach obstacle
composite obstacle
concrete obstacle
demolish an obstacle