Japan Maritime Self-Defense Force's helicopter destroyer DDH183 Izumo, the largest surface combatant of the Japanese navy, is seen during its launching ceremony in Yokohama, south of Tokyo Aug 6, 2013.[Photo/Agencies]
Japan on Tuesday unveiled the "Izumo" warship, its largest one with 248 meters in length and 38 meters in width, and is expected to deploy the military ship in March 2015 for the Maritime Self-Defense Forces.