U.S.-led air strikes against Islamic State militants inIraq and Syria have damaged or destroyed 3,222 targets since August, including 58 tanks, 184 Humvees, 673 fighting positions and 980 buildings or barracks, the Pentagon said on Wednesday.

Army Colonel Steve Warren, a Pentagon spokesman, said he wasn’t sure how many targets had been damaged versus destroyed, “but I’m confident that the destruction level is high. Our strikes are extraordinarily accurate.”

Release of the target damage list came a day after U.S. defense officials confirmed they are looking into reports of civilian casualties caused by the strikes in Iraq and Syria and are conducting a deeper investigation of two cases involving fewer than five deaths. […]