Airman 1st Class Ivan Najera, 5th Communications Squadron client systems technician, ensures electronic components are properly seated on a Minot Air Force Base network computer, Aug. 20. As a CST, Najera responds to trouble tickets generated through the Enterprise Service Desk. Starting Sept. 22 ESD will also include the virtual ESD. (U.S. Air Force photo/Capt. Jeff M. Nagan)