Middle East Syria crisis: Spooked by rebel gains, Jordan doubles down on Islamic State

The Free Syrian Army has received US patronage in its fight against Syria's dictatorship. But the rise of Islamist militias in the rebels' ranks has led Jordan, a US ally, to switch its focus to counter-terrorism.

Muhammad Hamed/Reuters/File

For much of Syria’s civil war, Jordan has quietly supported the rebels fighting to topple the regime. In recent months, various coalitions of rebel forces have scored major battlefield gains, seizing towns and villages from the regime in the north and south of Syria.