31st Communications Squadron
Airman 1st Class Peter Gracey, 31st Communications Squadron cyber transport systems journeyman, connects a serial switch to the network, Nov. 24, 2014, at Aviano Air Base, Italy. Cyber transport systems specialists ensure the core infrastructure of the Air Force’s network is properly working to maintain global communication. (U.S. Air Force photo/Airman 1st Class Deana Heitzman)