Tech. Sgt. Christopher Thesenvitz, 175th Fighter Squadron crew chief, marshals Capt. Travis Barnett, 114th Fighter Wing F-16 pilot, during the South Dakota Air National Guard’s 2012 Live Drop exercise at Ellsworth Air Force Base, S.D., Sept. 19, 2012. The exercise helped to validate F-16 tactics, techniques and procedures during long-range strike missions. (U.S Air Force photo by Airman 1st Class Alystria Maurer/Released)