Rear Adm. Mathias Winter, at right, is congratulated by Rear Adm. Matthew Klunder at a change of command ceremony at the Pentagon on Dec. 30, 2014, in which Winter relieved Klunder as chief of naval research (CNR). In addition to being the 25th CNR, Winter also serves as director, Innovation Technology Requirements, and Test and Evaluation (OPNAV-N84).