A U.S. Army M109-A6 Paladin Self-Propelled Howitzer operated by 2nd Platoon, A Battery, 4th Battalion, 27th Field Artillery, Division Artillery (DIVARTY), 1st Armored Division fires its main gun, a 155 mm howitzer and delivers its high explosive round down-range during the second day of DART (Division Artillery Readiness Test) at Dona Ana firing range just outside Fort Bliss, Texas, Dec. 8, 2015. DART is a new, three-day exercise that will determine the readiness of DIVARTY FA units through live-fire exercises, react to contact, improvised explosive device (IED) defense and casualty and vehicle evacuation. (U.S. Army Photo by Sgt. James Avery, 16th Mobile Public Affairs Detachment)