180228-N-KT595-087 Busan, Republic of Korea (Feb. 28, 2018) Republic of Korea (ROK) Navy Vice Adm. Jung, Jin-sup, commander, ROK Fleet, left, and Vice Adm. Phillip G. Sawyer, commander, U.S. 7th Fleet, speak to ROK-U.S. Sailors at a combined Navy briefing during Sawyer's visit to the Korean peninsula. Sawyer's trip is aimed at strengthening an interconnected, multi-faceted ROK-U.S. Navy partnership in the Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist 1st Class Chad M. Butler/Released)