161118-N-PO203-134 WASHINGTON (Nov. 18, 2016) Rear Adm. David J. Hahn is joined by his wife, Nancy and daughter Lauren, during his promotion ceremony to rear admiral upper half and prior to a change-of-command ceremony where he relieved Rear Adm. Mat Winter as the chief of naval research (CNR). 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)