190325-N-KV911-0048 PEARL HARBOR (March 25, 2019) Cmdr. Mike R. Dolbec, right, commanding officer of the Virginia-class fast-attack submarine USS Texas (SSN 775), speaks to Republic of Korea Chief of Naval Operations Adm. Sim Seung-seob during a tour, March 25, 2019. (U.S. Navy photo by Mass Communication Specialist 2nd Class Shaun Griffin/Released)