Unyo

History of Service

14 December 1938
Laid down as passenge liner YAWATA MARU.

31 October 1939
Launched

31 May 1942
Commissioned after converted into a escort carrier.

July 1942
Name changed to UNYO

1942 ~ 1944
Shipment of supplies and aircraft throughout this period.

November 1943
Became part of a task force led by ZUIHO. She had about 20 US POWs aboard.

4 December 1943
Task force was attacked by submarine USS Sailfish. CHUYO sank during the attack.

January 1944
Hit by four torpedos from submarine USS Haddock, but was able to reach Saipan for emergency repair. Then escorted with TAKAO and returned to Yokosuka for major repair.

August 1944
Escort convoy HI-73.

17 September 1944
Hit by two torpedos from submarine USS Barb near Hong Kong while escorting convoy HI-74. Unable to save her due to bad weather condition, she listed to starboard and sank.