11. The 3-inch trench mortar is a smooth-bore, muzzle-loading weapon for high angles of fire. 12. A war trophy, a German trench mortar , was also acquired by the school in 1921. 13. "What's your position on trench mortars and shoulder-fired missiles ? " he wanted to know. 14. Firing Lyddite shells, or using trench mortars , was tried. 15. They spoke of troops, batteries of artillery and trench mortars massing on the German front. 16. This action resulted in the capture of 36 prisoners, six machine-guns and one trench mortar . 17. The Regular 36th Infantry and 35th, and 36th Field Artillery Regiments and a trench mortar battery. 18. The weapon was a multiple'RA . The spigot mortar was based on early infantry trench mortars . 19. Canadian Trench Mortar Battery on the Somme. 20. Here the 38th broke the Drocourt-Qu�ant Line, capturing 325 prisoners, 4 trench mortars and 40 machine guns.
