Michael Cribbs, right, project superintendent, Stronghold Engineering, briefs Rear Adm. Patrick H. Brady, Commander, Space and Naval Warfare Systems Command on the status of a solar panel installation project on the roof of SPAWAR Headquarters Old Town Complex in San Diego. The rooftop photovoltaic installation supports of the Department of Defense goal of increasing renewable energy sources to 25 percent of all energy consumed by the year 2025.