Airman 1st Class Alec Blackmon provides security overwatch as the sun goes down July 16, 2013, at Camp Oqab in Afghanistan. Camp Oqab is the home of the 438th Air Expeditionary Wing whose members are responsible for advising the Afghan air force. Blackmon is deployed to the 439th Air Expeditionary Advisory Squadron. (U.S. Air Force photo by Master Sgt. Ben Bloker)