The Harushio is named a third generation submarine, and utilizes complete dual shell system and a tear autumn kind hull. The silhouette resembles the Yushio sort, but there is nevertheless a projection element of the countermeasure cleverness sonar where it varies within the appearance expanding towards bow top that makes it is attainable to differentiate them. The hull finished up being extended about 1 meter as a whole size attendant upon within warship space improvement in comparison with the Yushio type. It really is theoretically generated by the sooner Yushio system, but calm running characteristic are strengthened and there are several improvements in underwater capability.