 A base housing U.S. troops and members of the U.S.-led coalition in western Iraq was subjected to an attack with two explosive drones earlier this week that caused some damage but no casualties. Pentagon spokesperson Sabrina Singh said on Thursday U.S. forces shot down one drone, but the other hit the base in western Iraq. I can't speculate on the future. We're always going to take measures to protect our forces, and I'll just leave it at that.