Green Flag West 11-2
Senior Airman Edwin Watkins conducts a pre-flight check on an A-10 Thunderbolt II before a training mission during the Green Flag West 11-2 exercise Dec. 10, 2010, at Nellis Air Force Base, Nev. He is a crew chief with the 23rd Aircraft Maintenance Squadron at Moody AFB, Ga. (U.S. Air Force photo/Tech. Sgt. Michael R. Holzworth)