U.S.-backed Syrian Democratic Forces (SDF) fighters sit on their armored vehicles, at al-Sabha town in the eastern countryside of Deir el-Zour, Syria, Sept. 4, 2023. (Photo: Baderkhan Ahmad/ AP)
A fighter of the Syrian Democratic Forces (SDF) stands guard along a road as others deploy to impose a curfew in the town of al-Busayrah in Syria's northeastern Deir Ezzor province, Sept 4, 2023 (Photo: Delil Souleiman/AFP)
A U.S.-backed Syrian Democratic Forces (SDF) fighter stands next an armored vehicle, at al-Sabha town in the eastern countryside of Deir el-Zour, Syria, Sept. 4, 2023. (Photo: Baderkhan Ahmad/ AP)
A fighter of the Syrian Democratic Forces (SDF) stands guard along a road as others deploy to impose a curfew in the town of al-Busayrah in Syria's northeastern Deir Ezzor province on Sept. 4, 2023. (Photo: Delil Souleiman/ AFP)
A U.S.-backed Syrian Democratic Forces (SDF) fighter stands next an armored vehicle, at al-Sabha town in the eastern countryside of Deir el-Zour, Syria, Sept. 4, 2023. (Photo: Baderkhan Ahmad/ AP)
The SDF Commander-in-Chief, Mazloum Abdi, in December 2019 held a meeting with pro-SDF notables in response to regime pressure on Arab tribes (Photo: SDF)