A man gestures at U.S military vehicles driving in the town of Darbasiya next to the Turkish border, Syria, April 2017.
U.S. forces are seen at the Kurdish People's Protection Units (YPG) headquarters after it was hit by Turkish airstrikes in Mount Karachok near Malikiya, Syria, April 25, 2017.
A U.S. fighter walks down a ladder from a barricade, north of Raqqa city, Syria, November 6, 2016.
A U.S. fighter stands near a military vehicle, north of Raqqa city, Syria, November 6, 2016.
U.S. soldiers drive a military vehicle on the road connecting al-Rai town to Azaz city, in Syria's northern Aleppo countryside, October 4, 2016.
A U.S.-led coalition aircraft flying over Kobani, as seen from near the Mursitpinar border crossing on the Turkish-Syrian border in the southeastern town of Suruc in Sanliurfa province, October 15, 2014.
Kurdish fighters from the People's Protection Units (YPG) chat with members of U.S. forces in the Syrian town of Darbasiya next to the Turkish border, April 29, 2017.
A U.S. fighter walks with his weapon near a military vehicle, north of Raqqa city, Syria, November 6, 2016.
A U.S. military commander (R) walks with a commander (C) from the Kurdish People's Protection Units (YPG) as they inspect the damage at YPG headquarters after it was hit by Turkish airstrikes in Mount Karachok near Malikiya, Syria, April 25, 2017.
American army vehicles drive north of Manbij city, in Aleppo Governorate, Syria, March 9, 2017.
U.S. fighters stand near military vehicles, north of Raqqa city, Syria, November 6, 2016.
