U.S. Army Spc. Cody Robinett, Headquarters and Headquarters Detachment, 172nd Medical Battalion, Ogden, Utah., fills a M-149 water buffalo with potable water for drinking during Warrior Exercise (WAREX) 86-16-03 at Fort McCoy, Wis., July 15, 2016. WAREX is designed to keep soldiers all across the United States ready to deploy. (U.S. Army photo by SPC Thomas Watters/Released)