The Communication Centre provides artillery and air support to your troops while they are attacking enemy bases. You can upgrade this building for newer and more powerful support capabilities.
The British created as many as 20 types of field weapons: medium, heavy, extra-heavy, and anti-tank artillery. During the war, British industry produced nearly 70,000 artillery pieces and mortars of various calibers, for various purposes. Mass production of artillery weapons in the United States began only after the war broke out. Over its course, the military industry supplied approximately 150,000 guns and mortars. During the war years there were significant advances in artillery, and new systems were continuously arriving on the field. Thus, the allies continued development of mobile artillery and anti-tank weapons.