Airfield systems techs keep air traffic, ground controllers connected
Senior Airman James Vrtis, 57th Operations Support Squadron airfield systems technician, ascends a ground-to-air radio tower at the Airfield Systems Maintenance compound on Nellis Air Force Base, Nev., Oct. 6, 2015. Airfield systems technicians install, remove, relocate, modify, deploy and maintain fixed and mobile meteorological, navigation and air traffic control ground-to-air radio systems. (U.S. Air Force photo by Staff Sgt. Siuta B. Ika)