161118-N-PO203-237 WASHINGTON (Nov. 18, 2016) The Hon. Sean Stackley, left, assistant secretary of the Navy (research, development and acquisition), along with Rear Adm. Mat W. Winter, Rear Adm. David J. Hahn and Chaplain, Rear Adm. Margaret Kibben, recognize the colors during a change-of-command ceremony at which Hahn relived Winter as the chief of naval research. Winter, a decorated aviator with advanced degrees in both computer science and national resource strategy, will be joining the F-35 Joint Program Office as deputy director, Joint Strike Fighter Program. Hahn, a decorated submarine commander and naval acquisition officer, will head the Office of Naval Research (ONR) and oversee the roughly $2 billion Department of the Navy budget for naval science and technology programs. (U.S. Navy photo by John F. Williams/Released)