"This isn't a deep dugout," Passini said.

Conducted properly, the plan would leave the Germans forces little time to exit the security of their deep dugouts and defend their positions against the infantry advance.

Underground work continued, with the tunnellers concentrating on deep dugouts for troop accommodation, a tactic used particularly in the Battle of Arras.

Underground work continued, with the tunnellers concentrating on deep dugouts for troop accommodation, safe from the larger shells being deployed.

Despite the heavy bombardment, many of the German defenders had survived, protected in deep dugouts, and they were able to inflict a terrible toll on the infantry.

By 10 August a line had been established just south of the farm, which the Germans had turned into a fortress with deep dugouts and tunnels connecting to distant redoubts.

After the cessation of hostilities in November 1918, all the deep dugouts including Vampire were abandoned.

The German troops spending a great deal of their time not only training but fortifying their position, including the construction of numerous deep dugouts and at least two tunnels.

Back in France during the Great War, he'd been able to dive into a deep dugout when German shells came calling.

The Germans also constructed deep dugouts throughout the Butte, making it a formidable defensive position.