Senior Airman Steven Beardsworth, 28th Operations Support Squadron air traffic control technician, marks a flight progress strip to annotate an instrument approach at Ellsworth Air Force Base, S.D., Nov. 27, 2012. Flight data must be both accurate and current to efficiently track and manage all aircraft in Ellsworth’s area of responsibility. (U. S. Air Force photo by Airman 1st Class Alystria Maurer/Released)