The infantry regiment is the largest element of the infantry division. It is a military organization, not a field formation. Not all the battalions of an infantry regiment fight together as one formation, but are dispersed over various formations such as brigades, divisions and corps.
What are the different types of infantry?
The Army fields multiple different types of infantry formations: light, airborne, air assault, Ranger, and mechanized.
What is an infantry unit?
Infantry is an army specialization whose personnel engage in military combat on foot, distinguished from cavalry, artillery, and armored forces. … The first military forces in history were infantry.