Maj. Gen. Ralph J. Jodice II, Air Force District of Washington commanding general, replaces an incandescent light bulb with a compact fluorescent light bulb in his office at Andrews Air Force Base, Md. AFDW is participating in Operation Change Out, a jointly-sponsored effort between the Defense Department and the U.S. Department of Energy that encourages everyone connected with a military installation to reduce energy usage. (U.S. Air Force photo)