Senior Airmen Michael Young and Zachary Ford, 380th Expeditionary Civil Engineer Squadron electrical systems journeymen, troubleshoot a light switch at Al Dhafra Air Base, United Arab Emirates, Feb. 18, 2019. Electrical systems specialists troubleshoot malfunctions using technical orders, manufacturers' handbooks, local procedures, codes, and directives. (U.S. Air Force photo by Senior Airman Mya M. Crosby)