The US-backed Syrian Democratic Forces (SDF) are still facing significant problems with breaking the ISIS defense inside the city of Raqqah. Almost no gains were made during last few days. According to Kurdish sources, 200 new US servicemen have joined the Raqqah advance in order to help the SDF to overcome these difficulties. A notable number of US Special Operations Forces units had been already involved in the operation, acting as forward air controllers and snipers and overseeing SDF units.
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