170527-N-PO203-184 SAN DIEGO, Calif. (Apr. 27, 2017) Office of Naval Research Command Master Chief Matt Matteson talks to students during the 55th National Junior Science & Humanities Symposium (JSHS) in San Diego, Calif. The National JSHS is a tri-service program that brings together 230 high school students who qualify for attendance by submitting and presenting original scientific research papers in regional symposia held at universities nationwide. (U.S. Navy photo by John F. Williams/Released)