For the first time in the year-plus fight against Islamic State militants, the U.S. is putting American combat troops on the ground in a more permanent role in Iraq and Syria.<br />Defense Secretary Ash Carter told Congress on Tuesday that the U.S. military will deploy a new special operations force to Iraq to step up the fight against IS militants, who are determined to hold territory they have seized in Iraq and Syria.<br />Meanwhile, Secretary of State John Kerry said Wednesday that NATO members stand ready to step up military efforts against the Islamic State and held out hope of broadening cooperation between the West and Russia to end Syria's protracted civil war.