110803-N-UN340-067 SAN DIEGO (Aug. 3, 2011) A view of solar panels recently installed on the roof of Space and Naval Warfare Systems Command Headquarters, Old Town Complex. The rooftop photovoltaic installation supports the Department of Defense�s goal of increasing renewable energy sources to 25 percent of all energy consumed by the year 2025. (U.S. Navy photo by Rick Naystatt/Released)