NORCO, Calif. (July 6, 2011) Samuel Lam, left, electronics engineer at Naval Surface Warfare Center (NSWC), Corona Division, and Actionet contractor Steven Foust, supporting Force Training Assessment Department Range, Sustainment and Geomatic Engineering Branch, assemble prototype retractable metal framework supporting photovoltaic panels. The project is being mocked up at NSWC Corona in advance of installation at Marine Corps Air Station Cherry Point, N.C., to minimize training schedule impact. (U.S. Navy photo by Greg Vojtko/Released) 110706-N-HW977-253