Soldiers from 3rd Battalion, 15th Infantry Regiment, 4th Infantry Brigade Combat Team, 3rd Infantry Division, patrol in an armored Humvee as part of a ground assault convoy during Vanguard Focus, a brigade level training exercise, Feb. 1, 2015, on Fort Stewart, Ga. (U.S. Army Photo by Staff Sgt. Elvis Umanzor, 4IBCT, 3ID, Public Affairs)