U.S. Air Force Senior Airman Christopher Shroyer, left, and Staff Sgt. Rafael Medina III, right, attempt to isolate an ongoing issue with the navigation system of an A-10C Thunderbolt II on Kandahar Airfield, Afghanistan, Aug. 8, 2011. Shroyer, an avionics journeyman, and Medina, an avionics craftsman, are both assigned to the 23rd Aircraft Maintenance Squadron. U.S. Air Force Senior Airman Christopher Shroyer, left, and Staff Sgt. Rafael Medina III, right, attempt to isolate an ongoing issue with the navigation system of an A-10C Thunderbolt II on Kandahar Airfield, Afghanistan, Aug. 8, 2011. Shroyer, an avionics journeyman, and Medina, an avionics craftsman, are both assigned to the 23rd Aircraft Maintenance Squadron. SHARE: Download: Full Size (2.6 MB) Tags: Photo Essays Credit: VIRIN: 888097-U-VWD15-437.jpg Photo Gallery