U.S. and coalition forces have withdrawn from three forward operating bases in northeastern Syria—Mission Support Site Green Village, Mission Support Site Euphrates (often called the Conoco gas-field base), and a third smaller facility—sometime in May 2025, according to the latest Department of Defense Inspector General quarterly report.

These closures represent a mass exodus from the Middle Euphrates River valley, cutting back the footprint from eight bases to just one. About 500 troops left, reducing force presence from roughly 2,000 down to about 1,400, with longer-term plans pushing below 1,000.

How Long We’ve Been There—and Why We Stayed

U.S. boots first hit Syrian ground in 2015, during the height of the anti‑ISIS campaign under Operation Inherent Resolve. For nearly a decade—2015

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