Free Syrian Army
Americans will now be fighting alongside both the Turkish military and Kurdish militias in its bid to push the Islamic State further south.
The previous truce came and went with no noticeable decrease in violence across the country, and government forces are advancing in Aleppo.
Islamic State militants have taken territory from US and Turkish-backed Syrian rebels in an ongoing offensive, and now threaten a key rebel supply line from the Turkish border.
IS militants seized the Syrian town of al-Rai near the border with Turkey on Monday, as the US and its allies conducted 18 strikes against the group over the weekend.
Just two weeks ago a jihadist militia with allegedly close ties to ISIS broke out of its isolated home base in the remote foothills of the Golan Heights, seizing two major towns —Syrian rebels are now scrambling to react.
Recent clashes between rebels from the secular Free Syrian Army and the hardine religious al-Nusra are a sign of just how serious tensions have become, commanders from both groups told VICE News.
VICE News witnessed chaotic scenes in the Turkish city of Kilis, which has become the first port of call for tens of thousands of fleeing Syrians and injured rebel fighters.
For the past five years, VICE News journalists have been on the ground in Syria documenting the rebel struggle, civilian suffering, and the rise of the Islamic State.
The high school kids who wrote an anti-Assad dig on a wall in Daraa didn't imagine that their act of defiance would kickstart the revolution that is devastating the Middle East.