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. During his visit, 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)