Infantry refers to soldiers who fight on foot, using a variety of weapons and tactics. They are often the backbone of an army, engaging directly with the enemy in battles. Infantry units can be organized into different groups, such as squads and platoons, and they play a crucial role in ground operations, securing territory and supporting other military branches. These soldiers are trained to operate in various environments, from urban areas to forests and deserts. They may use equipment like rifles, grenades, and machine guns to accomplish their missions. The effectiveness of infantry is vital for the success of military campaigns, making them essential to any armed force.