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Cmdr. Kristina Melendez Stoner, the commanding officer of Assault Craft Unit 1, addresses the crowd at a change of command ceremony onboard Naval Amphibious Base Coronado, Dec. 8, 2023. As part of Naval Beach Group 1, Assault Craft Unit 1 trains, equips, and deploys assault craft and crews to support amphibious ready group and maritime prepositioning force operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Mikal Chapman)