A U.S. Air Force F-15 Strike Eagle takes off for a sortie in Southwest Asia, July 18, 2016. Speaking with Pentagon reporters Sept. 13, 2016, Air Force Lt. Gen. Jeffrey Harrigan, air component commander for the campaign to counter the Islamic State of Iraq and the Levant, said his focus remains on creating an insurmountably tough and complex set of problems for ISIL across Iraq and Syria. Air Force photo by Staff Sgt. Larry E. Reid Jr.