Air Force Staff Sgt. Arsenio Hernandez, right, mentors Air Force Airman First Class Zachary Brown as they test a phone line at the 179th Airlift Wing in Mansfield, Ohio, Jan. 26, 2018. Brown and Hernandez are cyber transport systems technicians assigned to the Ohio Air National Guard’s 179th Airlift Wing Communications Flight. Air National Guard photo by Air Force Tech. Sgt. Joe Harwood