190322-N-YG104-0007 WASHINGTON (March 22, 2019) Chief of Naval Operations (CNO) Adm. John Richardson, left, looks on as Master Chief Petty Officer of the Navy (MCPON) Russell Smith, right, signs his re-enlistment contract. Smith has served for 30 years and is re-enlisting for four years . (U.S. Navy photo by Mass Communication Specialist 1st Class Sarah Villegas/Released)