4th ESC Best Warrior Competition
U.S. Army Spc. Matthew Nunez, Soldier with the 851st Transportation Company, 319th Combat Sustainment Support Battalion, 211th Regional Support Group, 4th Sustainment Command (Expeditionary) completes a ruck march during the 2016 4th ESC Best Warrior Competition at Joint Base San Antonio, Feb. 20, 2016. (U.S. Army Photo by Capt. Jose L. Caballero Jr./Released)