Islamic State of Iraq and Syria - ISIS

Members of Congress urged the president to reverse his decision to withdraw troops from Syria.

White House and Pentagon officials sent out mixed signals Wednesday on the future of U.S. military forces in Syria.

The advance on Hajin was backed by stepped-up U.S. airstrikes and cross-border artillery fire from a firebase in Iraq.

The Turkish military will move into Syria “within days” to target terror organizations, Turkey's president said.

Navy SEAL Chief Edward "Eddie" Gallagher allegedly texted a photo of himself cradling a dead ISIS fighter's head.

Chief Petty Officer Edward Gallagher is accused of killing an ISIS fighter in Mosul after SEALs treated him for his injuries.

U.S.-backed forces still struggle against determined ISIS fighters in the desert.

Chief Warrant Officer 3 Taylor J. Galvin, a Spokane, Washington native, was 34.

An Air Force Special Operations helicopter went down in a non-hostile crash in Iraq, killing one service member.

Al-Qaida shares the same goals as ISIS, but pursues them more carefully, according to the Institute for the Study of War.