The markings which appear on the base of the barrel read "97 model small trench mortar."

Fighting against virtual trench mortars was something else again.

The designer was more famous as the inventor of a trench mortar.

He did not know whether they had sent to La Granja for a trench mortar.

While the Director was responsible for the design of the modern trench mortar.

We captured a trench mortar, a machine gun and some material.

But when The Shadow looked there, he saw only a trench mortar and a few gas masks.

He had at his disposal over 6,ooo guns and 3,000 trench mortars.

So what we need now is a trench mortar.

"Where the devil are we going to get a trench mortar?"