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Adm. Stephen Koehler, commander, U.S. Pacific Fleet, left, shakes hands with Vice Adm. Akira Saito, the commander in chief of the Self-Defense Fleet, Japan Maritime Self-Defense Force, following a meeting in Yokosuka, Japan, April 16, 2024. Koehler met with Saito to discuss the increasing security challenges in the Indo-Pacific and reaffirmed the U.S. Japan alliance as the cornerstone of peace, security, and prosperity in the Indo-Pacific. (Photo Courtesy of U.S. Navy)