The river valley and city of Deir ez-Zor are strategically important to the goals of the U.S., Syria, Iran and Russia. For the U.S. it has been the scene of more than 360 airstrikes since March ...

To date, rebels have been unsuccessful in their attempts to take over the base, as seen in Syria Behind the Lines. The Orontes river valley tells the story of Syria. Here, neighbor is fighting ...