Smoke rises after a U.S.-led coalition airstrike on Kobani, Syria, Monday, as seen from the Turkish side of the border. Kurdish fighters say they're making progress against ISIS in the area. Tolga Bozoglu/EPA/LANDOV hide caption

itoggle caption Tolga Bozoglu/EPA/LANDOV

The dirt and gravel at the Baharka displacement camp in northern Iraq will turn to a sea of freezing mud in the winter rain. Aid workers say they don't have enough blankets and winter clothing for all those displaced by the advance of ISIS. Safin Hamed/AFP/Getty Images hide caption

itoggle caption Safin Hamed/AFP/Getty Images

A black flag belonging to the so-called Islamic State is seen in the Syrian town of Kobani on Thursday, as seen from the Turkey-Syria border near the southeastern town of Suruc. Umit Bektas/Reuters/Landov hide caption

itoggle caption Umit Bektas/Reuters/Landov

Leon Panetta says he and other top national security advisers to the president argued to keep some U.S. forces on the ground in Iraq after 2011. Frederic J. Brown/AFP/Getty Images hide caption

itoggle caption Frederic J. Brown/AFP/Getty Images