A Related Video You May Like:
Eastern Syria was mostly held by Islamic State until last year, when two rival campaigns, one by the Syrian army backed by Russia, Iran and Hezbollah, the other by Kurdish and Arab militias backed by the US coalition, took most of its land.Communication between Russia and the United States averted most clashes between them. However, the coalition has struck Syrian pro-government forces that it said were attempting to attack coalition positions. The US military operating outside the coalition also maintains a base at Tanf in the eastern Syrian desert near the borders with Iraq and Jordan and last year struck pro-government forces moving along a road towards it.