Senior Airman Benjamin Ledbetter, 28th Maintenance Squadron electro-environmental systems technician, hooks a panel to an Eclypse AWTS Tester while troubleshooting a problem at Ellsworth Air Force Base, S.D., July 27, 2012. This machine helps technicians identify problems with switches and buttons B-1 instrument panels to determine they are functioning properly or need to be replaced. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)