Tech. Sgt. Peter, 380th Expeditionary Civil Engineer Squadron electrician, measures a circuit-breaker box prior to mounting May 16, 2017, in southwest Asia. The 380th ECES is responsible for constructing and maintaining every US-controlled building on the installation. The project provided the 727th Expeditionary Air Control Squadron with offices inside a protective structure. (U.S. Air Force photo by Senior Airman Preston Webb)