US eyes eventual Iraq exit as ISIS threat wanes

a truck driving down a dirt road: MOSUL, IRAQ - JUNE 21: A U.S. Army 82nd Airborne Division (2nd Brigade) team and an MRAP (mine-resistant vehicle) on June 21, 2017 in west Mosul, Iraq. The Division provides advise and assist support to Iraqi forces. (Martyn Aim/Getty Images)