OXFORD, England--The Defense Department last week started using its High-Mobility Artillery Rocket System (HIMARS) to help beat back ISIL combatants in Syria, Defense Secretary Ashton Carter said Wednesday.Carter, in a speech here at the University of Oxford, said the United States had previously used air strikes and surveillance to support Turkey and vetted Syrian opposion forces to clear the remaining stretch of the Syrian side of Turkey's border from ISIL. Carter vowed that the U.S. is willing to do more…
