Moreover, tunnels and key bridges are built with tank traps.
They seized a key bridge and prevented its destruction.
As a last resort, the army would make these routes useless to the Axis by destroying key bridges and tunnels.
One plane is shot down, but another destroys a section of track at a key bridge.
Watchtowers were often built in strategic locations to control key bridges, roads and mountain passes.
Removing a few key bridges had the same effect as large-scale bombing.
Liberian forces, meanwhile, fended off rebel attacks near a key bridge on the road to the capital.
The island and the key bridge was a natural location for a town.
Upon reaching the far bank, they took up their guns and routed the Brunswick defenders of a key bridge.
They had been given a routine task: taking two key bridges to open up a route to Baghdad.