This is a developing story. Four U.S. service members were killed on Thursday when a U.S. Air Force KC-135 refueling aircraft crashed during ongoing combat operations against Iran , U.S. Central Command confirmed. Two more crew members have yet to be accounted for. “At approximately 2 pm ET on March 12, a U.S. KC-135 refueling aircraft went down in western Iraq,” a CENTCOM release on Friday stated. “Four of six crew members on board the aircraft have been confirmed deceased.” In a press