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NAHA, Japan�U.S. Ambassador to South Korea Harry B. Harris Jr. speaks to a crowd during the christening ceremony of Military Sealift Command�s high-speed transport USNS Guam (T-HST 1), April 27. USNS Guam is an aluminum catamaran designed to be fast, flexible and maneuverable, even in austere port conditions, making the vessel ideal for transporting troops and equipment quickly. (Navy photo by Grady T. Fontana/Released)