160219-N-HW977-181 SAN DIEGO (Feb. 19, 2015) Heidi Buck, left, an engineer at the Space and Naval Warfare Systems Center Pacific (SPAWAR), shows Chief of Naval Operations (CNO) Adm. John Richardson a 3-D training environment on display at the Navy Information Warfare booth during WEST 2016, a three-day conference co-sponsored by Armed Forces Communications and Electronics Association (AFCEA) and U.S. Naval Institute (USNI). Richardson participated in a town hall luncheon at the event to wrap up a three-day visit to San Diego. (U.S. Navy photo by Greg Vojtko/Released)