Airman 1st Class Daniel Hatfield, 28th Civil Engineer Squadron electrical systems apprentice, climbs a utility pole during routine maintenance at Ellsworth Air Force Base, S.D., Sept. 9, 2014. Electrical systems Airmen also maintain systems such as the street lights which now run LED lights following a Department of Energy project that reduced the base’s overall energy consumption by 65 percent. (U.S. Air Force photo by Senior Airman Hailey R. Staker/Released)