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Air Traffic Control: Keeping eyes on the sky
Air traffic control gear sits inside the air traffic control tower at Ellsworth Air Force Base, S.D., July 10, 2018. Air traffic controllers are qualified to work on both the tower, which coordinates movement on the flight line, and the radar approach control team, which coordinates aircraft movement in the sky. (U.S. Air Force photo by Airman 1st Class Nicolas Z. Erwin)