Afterwards, she was reassigned to the Japanese Third Fleet, and was based out of Singapore, from whence she patrolled the sea lanes in the Indian Ocean and also occasionally in the Dutch East Indies against German commerce raiders and U-boats, as part of Japan's contribution to the Allied war effort under the Anglo-Japanese Alliance .
Subsequently, she was assigned to the Japanese Third Fleet, based out of Singapore, where she patrolled the sea lanes in the Indian Ocean and also occasionally in the Dutch East Indies against German commerce raiders and U-boats, as part of Japan's contribution to the Allied war effort under the Anglo-Japanese Alliance.