U.S. Air Force Senior Airman Robert Haehnel, 380th Expeditionary Civil Engineer Squadron electrical specialist, installs a new energy efficient light-emitting diodes (LED) light bulb on Al Dhafra Air Base, United Arab Emirates, Jan. 29, 2018. The 380th ECES electrical section has replaced more than 2,000 incandescent light bulbs on ADAB. (U.S. Air National Guard photo by Staff Sgt. Colton Elliott)