Senior Airman Jonell Sanchez, an air traffic controller assigned to the 28th Operations Support Squadron, trains in a simulation at Ellsworth Air Force Base, S.D., Jan. 25, 2017. The training involves sending b More
Senior Airman Jonell Sanchez, an air traffic controller assigned to the 28th Operations Support Squadron, transfers beacon codes during a training simulation at Ellsworth Air Force Base, S.D., Jan. 25, 2017. Th More
Senior Airman Jonell Sanchez, an air traffic controller assigned to the 28th Operations Support Squadron, transfers beacon codes during a training simulation at Ellsworth Air Force Base, S.D., Jan. 25, 2017. Ai More