Islamic State of Iraq and Syria - ISIS

Mattis said that allied countries of origin should take custody of ISIS foreign fighters captured in Syria.

As Marines endeavor to work themselves out of a job in Iraq, what lies beyond the current mission is unclear.

President Trump signed an executive order to keep the detention facility at Guantanamo Bay, Cuba open.

Turkey renewed threats over the weekend to attack a town in northern Syria where U.S. troops maintain an outpost.

The U.S. faces new challenges in Iraq and Syria despite the crumbling of ISIS.

The Pentagon's senior enlisted member has drawn the line against ISIS: "surrender or die!"

Gen. Joseph Dunford called his Russian counterpart following a swarm drone attack on a Russian air base in Syria.

U.S.-backed forces were in the process of "crushing the life" out of ISIS , Defense Secretary Jim Mattis said Friday.

The U.S. Air Force has acknolwedged it runs an air war out of Al Dhafra Air Base, United Arab Emirates.

A coalition commander said Wednesday that ISIS fighters were untouched in Syrian regime territory.