PORTSMOUTH, Va. - Gene Leonard, a facility manager, and Petty Officer 3rd Class Seth Gans are shown with solar thermal arrays that heat the water used in the Naval Engineering Support Unit's building at Coast Guard Base Portsmouth, April 25, 2011. The solar thermal arrays are part of the various green initiatives aimed at increasing sustainability and use of renewable energy. U.S. Coast Guard photo by Petty Officer 3rd Class David R. Marin.