160415-N-PO203-166 WASHINGTON (Apr. 15, 2016) Cmdr. Robert Getty, with the Office of Naval Research (ONR) reserve component, helps a visitor explore a ship of the future exhibit during the USA Science and Engineering Festival (USASEF) held at the Walter E. Washington Convention Center in Washington, D.C. The USASEF is the largest science festival in the United States and features science, technology, engineering and mathematics (STEM) hands-on activities for all ages. ONR provides the science and technology necessary to maintain the Navy and Marine Corps’ technological advantage. (U.S. Navy photo by John F. Williams/Released)