Airman 1st Class Michael Pincheira provides security during a training exercise.
U.S. Air Force Airman 1st Class Michael Pincheira, a joint tactical air controller with the 5th Air Support Operations Squadron, provides security during a training exercise in the National Training Center at Fort Irwin, Calif., on Aug. 14, 2011. Joint tactical air controller airmen trained with the 12th Combat Training Squadron as part of Green Flag-West to prepare for upcoming deployments.