Staff Sgt. John Hines, 2nd Communications Squadron cable and antenna systems, climbs a communication tower on Barksdale Air Force Base, La., Nov. 19, 2014. The Cable Dawgs Airmen specialize in copper and fiber optic cabling; connecting all telephones and computer systems on base. (U.S. Air Force photo/ Senior Airman Jannelle Dickey)
Staff Sgt. John Hines, 2nd Communications Squadron cable and antenna systems, monitors 2nd CS Airmen scale a communications tower on Barksdale Air Force Base, La., Nov. 19, 2014. Airmen from the 2nd CS cable and antenna maintenance are responsible for maintaining all physical and fiber optic structures. There is a total of 90,000 miles of cable on base. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)
Staff Sgt. John Hines, 2nd Communications Squadron cable and antenna systems, holds a safety line as an Airman scales a communications tower on Barksdale Air Force Base, La., Nov. 19, 2014. Hines acted as a safety observer, who alerts climbers of any dangers or hazards, assists climbers with tools and provides medical assistance in the event of a mishap. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)
Airmen from the 2nd Communications Squadron conduct climbing and rappelling certification on Barksdale Air Force Base, La., Nov. 19, 2014. The certification is an annual requirement for cable and antenna technicians. (U.S. Air Force photo/ Senior Airman Jannelle Dickey)