160415-N-PO203-210 WASHINGTON (Apr. 15, 2016) Jaime Carter, left, and Cmdr. Michael Files, second from left, both with the Office of Naval Research (ONR), explains Naval science, technology, engineering and mathematics (STEM) opportunities 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 STEM hands-on activities for all ages. The Naval STEM coordination office, located at ONR, under the leadership of the chief of naval research, serves as the central coordination and information resource for Naval STEM efforts.(U.S. Navy photo by John F. Williams/Released)