Intense fighting flared Monday as Turkish troops and their allies advanced on a Kurdish enclave in northwestern Syria.
Islamic State of Iraq and Syria (ISIS)
Lewis was awarded the Silver Star for his actions in a 10-hour long firefight during the Mosul offensive.
Tillerson said Trump was determined not to repeat Obama's "mistake" when he withdrew U.S. troops from Iraq in 2011.
The U.S. faces new challenges in Iraq and Syria despite the crumbling of ISIS.
The attackers struck during rush hour in Tayran Square, where the twin explosions also wounded at least 105 people.
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.
A U.S. soldier who died while supporting the anti-Islamic State coalition in Iraq has been identified.
A service member died Monday in a noncombat incident in southwest Asia.
U.S.-backed forces were in the process of "crushing the life" out of ISIS , Defense Secretary Jim Mattis said Friday.