Staff Sgt. Philip Graves, 28th Aircraft Maintenance Squadron instrument flight controls system technician, inspects electrical configurations in a B-1 during scheduled maintenance on Ellsworth Air Force Base, S.D., Jan. 9, 2012. Graves and his fellow instrument flight controls system technicians are responsible for all maintenance of the instruments and flight control electrical systems within the B-1 to ensure proper functionality. (U.S. Air Force photo by Airman 1st Class Kate Thornton-Maurer/Released)