The U.S. Army Infantry is a branch of the United States Army responsible for ground combat operations. Infantry soldiers are trained to engage in direct combat with enemy forces, using a variety of weapons and tactics. They play a crucial role in securing and holding territory, as well as supporting other military units. Infantry units can be organized into different formations, such as squadrons, platoons, and battalions. These units often work alongside other branches of the military, including artillery and armor, to achieve mission objectives. Infantry soldiers undergo rigorous training to prepare for diverse combat scenarios and environments.