Weapons loaders from the 113 conduct pre-flight armament procedures on an F-16 during Green Flag West at Nellis AFB, Nev., May 23, 2011. Green Flag West replicates irregular warfare conditions currently found in Southwest Asia. Aircrews, work closely with Air Force joint terminal attack controllers. Pilots train for a mission such as close air support, and aerial reconnaissance. (U.S. Air Force photo by Tech. Sgt. Tyrell Heaton/Released)