AdvertisementAfter A Year Of Bombing ISIS, U.S. Campaign Shows Just Limited GainsAugust 07, 2015David WelnafacebookEmailKurdish rebels in northern Syria walk near the devastated town of Kobani last November. The U.S. bombing campaign helped the Kurds push back the Islamic State from the area. But overall, the U.S. operation against ISIS in Iraq and Syria has shown only limited gains in the past year. (AP)