Kurdish Peshmerga fighters stand guard during airstrikes targeting Islamic State militants at the Khazer checkpoint outside of the city of Irbil in northern Iraq, Friday, Aug. 8, 2014. Iraqi Air Force has been carrying out strikes against the militants, and for the first time on Friday, U.S. war planes have directly targeted the extremist Islamic State group, which controls large areas of Syria and Iraq. (AP Photo/ Khalid Mohammed)