Spc. Frank Guerra prepares to fire rounds from a M109A6 Paladin.
Army Spc. Frank Guerra prepares to fire rounds from a M109A6 Paladin artillery vehicle as part of a counter fire mission against insurgents near the town of Falluja, Iraq, on Nov. 5, 2004. Guerra is assigned to Alpha 382nd, 2nd Brigade Combat Team, 1st Cavalry.