Dempsey Says Syria No-Fly Zone Could Cost $1 Billion a Month

Dempsey Says Syria No-Fly Zone Could Cost $1 Billion a Month

Daniel Leal Olivas/AFP via Getty Images

A rebel fighter fires a 23mm anti-aircraft gun from the back of a pick-up truck as a Syrian Airforce plane flies overhead during clashes between the rebels and pro-government troops on the outskirts of the northern city of Aleppo, on July 4, 2013.