Syria

Additional U.S. troops sent into Syria were patrolling Manbij in Stryker combat vehicles to prevent a battle for the city.

The US communicates with Russia on operations over Syria despite Moscow's suspension of the "deconfliction channel," Mattis...

The U.S. is making more contacts with the Russians to avoid air conflict over Syria.

The U.S. Air Force's F-22 Raptor stealth fighter is playing a crucial yet evolving role in air operations over Syria and Iraq...

The ISIS convoy was given safe passage over 10 days ago to travel across the Syrian desert to the Iraqi border.

The U.S. is considering arming the Syrian rebels as part of a range of options for ousting the regime of President Assad.

A strike on Syria would probably last only a couple of days, targeting command and control facilities, air defenses and...

The U.S. is preparing to send a specially outfitted ship to the Mediterranean to destroy Syria's stockpiles of chemical...

The costs have averaged $7.5 million per day and include money for airstrikes, surveillance and arms shipments.

The costs of the U.S. campaign against the Islamic State are approaching $1 billion as the pace of the airstrikes increase.