Joint Chiefs spokesman says plan `` is not a change in mission nor is it a combat role '' U.S. currently has advisers assisting Iraqis in Irbil and . Joint Chiefs chairman : ` Sunni tribes fighting ISIS are the ones who will be on front lines of battle against ISIS. ISIS has killed some 400 members of one Sunni tribe in Anbar in recent days .
Joint Chiefs spokesman says plan `` is not a change in mission nor is it a combat role '' U.S. currently has advisers assisting Iraqis in Irbil and . Joint Chiefs chairman : Sunni tribes fighting ISIS are the ones who will be on front lines of battle against ISIS. ISIS has killed some 400 members of one Sunni tribe in Anbar in recent days .