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Contractor Eric Vanderleest briefs visiting civic leaders from the 919th Special Operations Wing, Duke Field, Fla., and the 315th Airlift Wing, Joint Base Charleston, S.C., about the sprawling photovoltaic array at Nellis AFB, Nev., Jan 13. Nellis AFB now receives most of its electricity from the environmentally friendly energy source. Civic leader tours are an Air Force Reserve program designed to increase community leaders' awareness and understanding of reservists’ roles in national security by inviting them to witness their mission at various installations. (U.S. Air Force photo/Dan Neely).