150220-N-LV331-001 WASHINGTON (Feb. 20, 2015) Secretary of the Navy (SECNAV) Ray Mabus observes a bay replica of desert conditions used for testing technology innovations at the Naval Research Laboratory. Mabus spoke with project experts and observed ongoing innovations to electronic warfare systems, anti-submarine warfare projects and autonomous systems. (U.S. Navy photo by Mass Communication Specialist 2nd Class Armando Gonzales/Released)