JOINT BASE PEARL HARBOR-HICKAM (April 12, 2024) Cmdr. Adam M. Matthews, commanding officer of the Los Angeles-class fast-attack submarine USS Tucson (SSN 770) gives attendees of the Undersea Warfare Commanders' Conference (USWCC) a tour of the boat at Joint Base Pearl Harbor-Hickam, April 12, 2024. First held in 2018, this year's USWCC theme was leveraging technology to integrate partners and improve communications, lethality and interchangeability. (U.S. Navy photo by Mass Communication Specialist 1st Class Scott Barnes)