U.S. Air Force Airman 1st Class Niccolo Pufall, 1st Operations Support Squadron air traffic control apprentice, takes notes on tower procedures at Joint Base Langley-Eustis, Virginia, Aug. 6, 2018. ATC Airmen train during live-traffic operations under the supervisions of experienced controllers. (U.S. Air Force photo by Airman 1st Class Monica Roybal)