“The Kheibar Shekan missile is the workhorse of Tehran’s arsenal—a cheap, mobile, accurate weapon with a range of at least 900 miles. And recently, Iran has been using it in complex attacks, proving itself to be an adaptable adversary for the U.S,” the Wall Street Journal reports.“Since the fighting picked back up this month, Iran has been firing the Kheibar Shekan at American bases… It is using a combination of different flight paths, maneuvers and speeds to try to confuse U.S. defenses.”