190717-F-BD983-0248
U.S. Air Force Senior Airman Yancy Martin, 334th Training Squadron student, adjusts the oscilloscope during the digital airport surveillance radar maintenance course inside the digital airport surveillance radar lab on Keesler Air Force Base, Mississippi, July 17, 2019. This course, which graduated 54 students this past year, takes 20 academic days to complete. Approximately 11,700 students push through the 334th TRS's seven Air Force Specialty Codes each year. (U.S. Air Force photo by Kemberly Groue)