YOKOSUKA, Japan – Royal Thai Navy officers from HTMS Chao Phraya tour the Los Angeles-class attack submarine USS Louisville (SSN 724) at Commander Fleet Activities Yokosuka.Commanding Officer of USS Louisville, explains submarine operations and maneuvers to the Thai officers. The frigate Chao Phraya and submarine Louisville were both visiting Japan for a routine port call. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Smith)

YOKOSUKA, Japan - Royal Thai Navy officers from HTMS Chao Phraya tour the Los Angeles-class attack submarine USS Louisville (SSN 724) at Commander Fleet Activities Yokosuka. Cmdr. Lee Sisco, Commanding Officer of USS Louisville, explains submarine operations and maneuvers to the Thai officers. The Frigate Chao Phraya and submarine Louisville were both visiting Japan for a routine port call. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Smith)