YOKOSUKA, Japan (April 11, 2023) Adm. James Caldwell, director, Naval Nuclear Propulsion Program, speaks to Sailors assigned to the Los Angeles-class fast-attack submarine USS Hampton (SSN 767) before a tour of the submarine at Commander, Fleet Activities Yokosuka, April 11. Hampton is home-ported in San Diego and routinely operates in the U.S. 7th Fleet area of operations, conducting maritime security operations and supporting national security interests. (U.S. Navy photo by Mass Communication Specialist 2nd Class Travis Baley)