The was a class of two support ships of the Imperial Japanese Navy

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

 (IJN), serving during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

.

Construction

In 1940, the IJN planned two support ship classes to help their aircraft carriers. One was the 4,500 ton Sunosaki class

Sunosaki class combat support ship

The was a class of two support ships of the Imperial Japanese Navy , serving during World War II.-Construction:In 1939, the IJN planned two support ship classes to help their aircraft carriers. One was the 8,000 ton Ashizuri class, the other one the 4,500 ton Sunosaki class...

, the other one the 8,000 ton Ashizuri class. The Ashizuri was planned to support for two large-sized carriers (Akagi

Japanese aircraft carrier Akagi

Akagi was an aircraft carrier of the Imperial Japanese Navy , originally begun as an . She was converted while still under construction to an aircraft carrier under the terms of the Washington Naval Treaty...

, Kaga

Japanese aircraft carrier Kaga

Kaga was an aircraft carrier of the Imperial Japanese Navy , named after the former Kaga Province in present-day Ishikawa Prefecture...

 and Shōkaku class

Shokaku class aircraft carrier

The was a pair of aircraft carriers of the Imperial Japanese Navy built before World War II. Only two vessels were built in this class; and . Together, they formed the 5th Carrier Division. Both were lost in action during World War II.-References:...

) in the battlefield. The thought is the same as USS Sacramento

Sacramento class fast combat support ship

The Sacramento class fast combat support ships were a class of four United States Navy supply ships used to refuel, rearm, and restock ships in the United States Navy in both the Atlantic and Pacific Oceans.-History:...

.

Service

They cannot support for the carrier task force, because their commissions were delay. They sail to and from the Japanese mainland to Southeast Asia

Southeast Asia

Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...

. And they were lost without participating in the naval battle.

Ships in class

Ship #	Ship	Builder	Laid down	Launched	Completed	Fate
219		Mitsubishi Heavy Industries, Nagasaki Shipyard	08-07-1941	16-05-1942	30-01-1943	Sunk by USS Puffer USS Puffer (SS-268) USS Puffer , a Gato-class submarine, was the first ship of the United States Navy to be named for the puffer, a fish which inflates its body with air....  at Sulu Sea Sulu Sea The Sulu Sea is a body of water in the southwestern area of the Philippines, separated from the South China Sea in the northwest by Palawan and from the Celebes Sea in the southeast by the Sulu Archipelago. Borneo is found to the southwest and Visayas to the northeast.Sulu Sea contains a number of...  06°33′N 122°55′E 05-06-1944.
220		Mitsubishi Heavy Industries, Nagasaki Shipyard	01-04-1942	08-03-1943	09-11-1943	Sunk by USS Rasher USS Rasher (SS-269) USS Rasher , a , was a ship of the United States Navy named for the rasher, a vermilion-colored rockfish or scorpionfish found along the California coast....  at west of Manado Manado Manado is the capital of the North Sulawesi province of Indonesia. Manado is located at the Bay of Manado, and is surrounded by a mountainous area. The city has about 405,715 inhabitants, making it the second-largest city in Sulawesi after Makassar... 08-06-1944.