170808-F-DL987-131
Staff Sgt. Zachery, left, and Senior Airman Timothy, both 380th Expeditionary Civil Engineer Squadron heating, ventilation, and air conditioning technicians, examine a wiring diagram August 8, 2017, at Al Dhafra Air Base, United Arab Emirates. Blown fuses account for a large amount of electrical equipment malfunctions. (U.S. Air Force photo by Senior Airman Preston Webb)