U.S. Army Sgt. 1st Class Brian Zoeleske , a combat engineer with 4th Brigade Combat Team, 25th Infantry Division and 1st Lt. Nathan Diaz, a military police platoon leader, assess fields of fire from a roof top position at the Karbala Provincial Compound in Karbala, Iraq, April 24. Various elements of 4th BCT, 25th ID are conducting an assessment of the compound in order to determine if the location is suitable for a Joint Coordination Center for the province.