U.S. Air Force Senior Airman Brendan Milligan, 20th Operations Support Squadron (OSS) ground radar systems technician, center, checks radar parameter values at a monitor and a Digital Airport Surveillance Radar control screen as Airman 1st Class Darricka Sides, 20th OSS airfield systems technician, right, and Staff Sgt. Rajiv Shetty, 20th OSS ground radar systems noncommissioned officer in charge, observe at Shaw Air Force Base, S.C., Oct. 4, 2017.
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