A U.S. Air Force Airman assigned to the 820th Rapid Engineer Deployable Heavy Operational Repair Squadron Engineer electricians from Nellis Air Force Base, Nev., troubleshoots an electric core drill power switch at Langley Air Force Base, Va., July 22, 2014. The visiting REDHORSE electricians are working to install new light poles at Eagle Park. (U.S. Air Force photo by Senior Airman Aubrey White/Released)