An infantry division is a large military unit primarily composed of foot soldiers trained to engage in ground combat. Typically, it includes several infantry regiments, support units, and various specialized troops. Infantry divisions are designed to operate in diverse environments and can be deployed for various missions, including offensive and defensive operations. These divisions are essential components of an army, providing the backbone for land warfare. They are organized to maximize combat effectiveness, often incorporating artillery, armor, and logistics to support their operations. Infantry divisions can vary in size and structure depending on the military's needs and strategic objectives.