He planned for further seizure due to its excellent anchorage for their ships to harbor for naval projection during the rest of the ICEBERG operation.

They were designed to accompany the Japanese main striking force and in both day and night attacks against the United States Navy as it advanced across the Pacific Ocean, according to Japanese naval strategic projections.

These light cruiser-sized vessels were designed to take advantage of Japan's lead in torpedo technology, and to accompany the Japanese main striking force and in both day and night attacks against the United States Navy as it advanced across the Pacific Ocean, according to Japanese naval strategic projections.