File - In this Friday, Jan. 11, 2013 photo, citizen journalism image provided by an anti-Bashar Assad activist group Edlib News Network (ENN), which has been authenticated based on its contents and other AP reporting, rebels from al-Qaida-affiliated Jabhat al-Nusra, also known as the Nusra Front, sit on a truck full of ammunition at Taftanaz air base, that was captured by the rebels in Idlib province, northern Syria. (AP Photo/Edlib News Network ENN)