Airmen ensure connection to the sky
Airfield systems Airmen from the 36th Operations Support Squadron open a field data collection unit June 2, 2015, at Andersen Air Force Base, Guam. The technicians check circuits within the unit for arch burns, blown fuses, loose wires and missing parts to ensure life-saving equipment is operational at all times. (U.S. Air Force photo by Senior Airman Amanda Morris/Released)