Keywords: US Navy 110803-N-UN340-067 A view of solar panels recently installed on the roof of Space and Naval Warfare Systems Command Headquarters, Old Town.jpg en 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 2011-08-03 110803-N-UN340-067 Navy http //www navy mil/view_image asp id 105384 U S Navy photo by Rick Naystatt PD-USGov-Military-Navy Space and Naval Warfare Systems Command Headquarters Photovoltaic power stations in California Solar cell panels on roofs in the United States Ž |