150204-N-PO203-409 WASHINGTON, D.C. (Feb. 4, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert, speaks during the Naval Future Force Science and Technology (S&T) EXPO. The EXPO provides broad access to Office of Naval Research (ONR) research, people and opportunities, and helps participants explore new ideas while also learning how to work with ONR. (U.S. Navy photo by John F. Williams/Released)