Airman 1st Class Adam Worley, 22nd Operations Support Squadron Radar, Airfield and Weather Systems technician, adjusts the radio frequency on an oscilloscope Aug. 13, 2019, at McConnell Air Force Base, Kan. The oscilloscope is used to create signals and capture responses from electronic devices under test. (U.S. Air Force photo by Airman 1st Class Marc A. Garcia)