Airman Dakota Bennett, 36th Civil Engineer Squadron electrical systems specialist, tests the voltage of a wall socket Aug. 5, 2015, at Andersen Air Force Base, Guam. Composed of 22 military members and 10 civilians, the unit works in unison to ensure the base has power as well as performing preventative maintenance daily. (U.S. Air Force photo by Senior Airman Joshua Smoot/Released)