File - Jan. 11, 2013 Edlib News Network, ENN, which has been authenticated based on its contents and other AP reporting, shows rebels from al-Qaida affiliated Jabhat al-Nusra waving their brigade flag as they stand on a Syrian air force helicopter, at Taftanaz air base that was captured by the rebels, in Idlib province, northern Syria.(AP Photo/Edlib News Network ENN)