Staff Sgt. Kristen Owens, an air traffic controller with the 49th Operations Support Squadron, demonstrates the light signals July 25 that are sent to aircraft from the Air Traffic Control Tower on Holloman Air Force Base, N.M. The Air Traffic Control building was the last stop for the class tour, which introduced careers in aviation and Science, Technology, Engineering and Mathmatics. (U.S. Air Force photo by Airman Autumn Vogt)

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Photo by: Airman Autumn Vogt |  VIRIN: 180725-F-HQ214-1093.JPG