An Airman from the 48th Operations Support Squadron Radar Approach Control monitors air traffic around Royal Air Force Lakenheath, England, Oct. 03, 2018. Airmen from the Radar, Airfield and Weather Systems flight ensure that every sensor and piece of monitoring equipment is calibrated and accurate to provide RAPCON with a precise picture of the surrounding airspace. (U.S. Air Force photo by Senior Airman John A. Crawford)