Shop our online sore collection of Infantry graphic T-shirts and hoodies. We have a broad array of designs to choose from. The title infantry is a blanket term that covers a variety of military occupational skills ranging from machine gunner mortarman and many other. Add some Military swag to your closet by choosing from our large inventory of Infantryman design. Infantry is an army specialization whose personnel engage in military combat on foot, distinguished from cavalry, artillery, and armored forces. Also known as foot soldiers, infantrymen or infanteer, infantry traditionally rely on traveling by foot between combats as well, but may also use mounts, military vehicles, watercraft, or aircraft for between-combat mobility and logistics. Infantry make up a large portion of all armed forces in most nations, and typically bear the largest brunt in warfare. Infantry jobs includes the Machine Gunner. A machine gun is an auto-firing, rifled long-barrel autoloading firearm designed for sustained direct fire with fully powered cartridges.