150302-N-AT895-206 WASHINGTON (March 2, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert administers the oath of office to Rear Adm. Dietrich Kuhlmann during Kuhlmann's promotion to the rank of rear admiral upper half in front of family and friends in the Pentagon Joint Staff flag room. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)