10/31/2012 - Capt. Phil Wagenbach, 4th Space Launch Squadron engineer: "I try to use natural sunlight as much as possible to light my home and avoid using electricity." (U.S. Air Force photo/Michael Peterson)

10/31/2012 - Maj. Michael Melton, 381st Training Support Squadron operations officer: "Our building uses lighting on automatic timers to help save energy, but we also make sure to turn off any lights in areas that aren't being used." (U.S. Air Force photo/Michael Peterson)

10/31/2012 - Erica Marquez and Sal Rodriguez, Fitness Center staff: "The fitness center is constantly monitoring the customer usage during the day, so we can turn off any extra lights and electrical equipment during the slower hours." (U.S. Air Force photo/Michael Peterson)