Capt. Travis Barnett, 175th Fighter Squadron F-16 pilot, performs pre-flight checks on his aircraft prior to a mission at Ellsworth Air Force Base, S.D., Sept. 19, 2012. The 175th FS Fighting Lobos operated out of Ellsworth Sept. 17 to 21 as part of the South Dakota Air National Guard’s 2012 Live Drop exercise. (U.S Air Force photo by Airman 1st Class Alystria Maurer/Released)