170404-N-PO203-076 NATIONAL HARBOR, Md. (April 4, 2017) Capt. Scott Shackleton, from the Office of Naval Research (ONR), Reserve Component, answers questions at the ONR and Naval Research Laboratory (NRL) exhibit during the 2017 Sea-Air-Space Exposition. Program officers and scientists from both ONR and NRL were on hand to discuss breakthrough naval technologies and potential research opportunities with attendees. (U.S. Navy photo by John F. Williams/Released)