Bộ Quốc phòng Mỹ: Số lượng quân đội Mỹ tại Syria đã tăng hơn gấp đôi

The US military has more than doubled its troops in Syria, from 900 to 2,000, according to Pat Ryder, a spokesman for the US Department of Defense, at a briefing on December 19, local time. These troops are mostly stationed in northeastern Syria and are engaged in operations against the extremist group ISIS.