About 1,000 prisoners who escaped during the attack were later found by Afghan security forces. The attack shattered a three-day ceasefire between Afghan forces and the Taliban.
American soldiers are helping secure oil fields in northeast Syria — not only from ISIS extremists, but from Syria and Russia as well. It's a relatively new mission for these troops.
The military is conducting a credibility assessment of claims of civilian casualties during the U.S. operation against ISIS leader Abu Bakr al-Baghdadi.
In an interview with NPR on Monday, Defense Secretary Mark Esper said if U.S. troops or interests are threatened, the U.S. will have the right to retaliate.
A Syrian man says his arm was blown off and two friends were killed by U.S. helicopter fire during the assault on ISIS's leader. A defense official said the military will review what happened.
Abdirizak Warsame was among nine Minnesota men who planned to travel to Syria to join ISIS. When the FBI foiled their plot, each faced a decision that would influence their sentencing.
What happens to the country's resources — once a revenue stream for ISIS — will be important not to world oil markets but to the future of Syria itself, write Roger Diwan and Daniel Yergin.
The Islamic State named Abu Ibrahim al-Hashimi al-Quraishi as its new leader days after ISIS founder Abu Bakr al-Baghdadi killed himself during a U.S. raid on his compound in northwest Syria.