Spc. Gareth Warner drops a 120mm mortar round into the tube while Spc. Ricky Olivo keeps the gun on target during a fire mission on Combat Outpost Zurok in Paktika province, Afghanistan. The soldiers are deployed with the 3rd Battalion, 509th Airborne Infantry Regiment, 4th Brigade Combat Team, 25th Infantry Division. Photo by Staff Sgt. Andrew Smith.