| req = ''Conduct a Maritime Escort Around the Naval District, sortie into the sea off the Nansei Island, the coastal refinery area, the Seas adjacent to the Naval District, the Naval District Sea Route, and the Eastern Orel Sea in the Nansei Island area! Secure safely each area!''
−
*S rank the boss nodes of [[1-2]], [[1-3]], [[1-5]], and [[2-3]], and reach node N on [[1-6]].