Senior Airman Peter Palacios, a 455th Expeditionary Civil Engineer Squadron electrical systems journeyman, operates a boom lift at Bagram Airfield, Afghanistan, May 12, 2017. Electricians are responsible for installing, repairing and maintaining electrical networks, ensuring that the primary source of energy for the installation is always available. (U.S. Air Force photo by Staff Sgt. Benjamin Gonsier)