подолання (перешкод) ровів з ходу
hasty defense / hasty defence
hasty crossing
hasty stream crossing
gap crossing operation
level-crossing = (амер.) grade crossing
hasty ambush
hasty attack
hasty decontamination
hasty defence position
hasty abatis
hasty deployment
hasty obstacle
hasty sling
hasty
hasty breaching
hasty bridge
hasty minefield
hasty trench
attack against hasty defenses
clear / cut a gap
exploit a gap
fill / plug the gap
gap marker
gap-filler radar
seal the gap
secure a gap
time gap
air-gap / air wal
constricted air gap spark plug
gap wind
lighting gap
gap filling