190322-N-BN625-0001 WASHINGTON (March 22, 2019) Chief of Naval Operations (CNO) Adm. John Richardson, left, administers the oath of enlistment to Master Chief Petty Officer of the Navy (MCPON) Russell Smith. Smith has served for 30 years and is re-enlisting for four years . (U.S. Navy photo by Senior Chief Mass Communication Specialist Hendrick Simoes/Released)