A major Islamic State (IS) loss on the battlefield earlier this week in Kobani, Syria underscores the terrorist force's limits, but the group remains a tough adversary for the U.S. and its allies, U.S. experts said.
A concentration of fighters from the Islamic State (IS) around the town of Kobani along Syria' s border with Turkey has led to more airstrikes against the terrorist group, a Pentagon spokesman said on Thursday.