150204-N-PO203-250 WASHINGTON, D.C. (Feb. 4, 2015) Chief of Naval Operations Adm. Jonathan Greenert and Chief of Naval Research Rear Adm. Mat Winter discuss the Shipboard Firefighting Autonomous Robot, SAFFiR, at the Naval Future Force Science and Technology EXPO. More than 2700 attendees and 90+ exhibitors are participating in the two-day event. (U.S. Navy photo by John F. Williams/Released)