160224-N-PO203-033 ARLINGTON, Va. (Feb. 24, 2016) Rear Adm. Mat Winter, center, chief of naval research, appears before the House Armed Services Committee to testify on the Department of Defense fiscal year 2017 science and technology programs: defense innovation to create the future military force. Winter is joined by, from left, Dr. Stephen Welby, assistant secretary of defense for research and engineering, Ms. Mary Miller, deputy assistant secretary of the Army for research and technology, Dr. David Walker, deputy assistant secretary of the Air Force for science, technology and engineering, and Dr. Arati Prabhakar, director, Defense Advanced Research Projects Agency. (U.S. Navy photo by John F. Williams/Released)