© 1998 Anthony P. Tully
Initial Command Structure:
Commanding Officer: Captain Kaname Konishi. Assigned to CarDiv 1, Third Fleet.
16 July 1944:
Only known photograph taken at Yokosuka.
6 August 1944:
Commissioned at Yokosuka. Assigned to CarDiv 1, 3rd Fleet. Joined by AMAGI four days later.
10 August 1944:
Assigned tactically to 7th Base Air Force Air Attack Force under operational command of 3rd Air Fleet, although she remained in the organization of CarDiv 1 3rd Fleet. Throughout August engages in trial runs and short one day sorties in Tokyo Bay region.
26 Septempber 1944:
Departs Yokosuka for Kure, arrives at Kure the next day.
30 September 1944:
Departs Kure. Cruising Inland Sea.
2 October 1944:
Depart Hashirajima; arrive Matsuyama.
6 October 1944:
Depart Matsuyama; arrive Yashiro-jima.
8 October 1944:
Depart Yashirojima; arrive Yashima.
16 October 1944:
Returns to Kure.
28 October 1944:
Departs Kure, joins AMAGI at Gunchu-koh.
30 October 1944:
Arrive Kure - Received flag of Vadm Ozawa Jisaburo, Mobile Fleet, from HYUGA.Becomes flagship of the Mobile Fleet.
7 November 1944:
Flag of ComMobile Fleet transferred from UNRYU to RYUHO.
15 November 1944:
Mobile Fleet abolished. Assigned to CarDiv 1.
27 November 1944:
7 December 1944:
Assigned to emergency reinforcement duty for Luzon.
10 December 1944:
Returns to Kure.
13 December 1944:
Ordered to load 30 "Ohka" suicide rockets of the Thunder-Gods Corps for transport to Manila.
17 December 1944:
Departed Kure at 0830 escorted by SHIGURE, and Desdiv 52's HINOKI, and MOMI. Comdesdiv 52 assigned to convoy defense with overall command under Captain Kaname of the UNRYU.
19 December 1944:
Hit by one torpedo 1635 hours under the bridge from U.S. submarine REDFISH. UNRYU lost power and went dead in the water. While engineers extinguished fires and restored power in No. 8 boiler, carrier hit by second torpedo at 1650 hours starboard side, under forward elevator. Volatile cargo and av-gas set storage exploded, devastating vessel. Carrier sank quickly, in seven minutes with the loss of her captain, exec, navigator, and 1,238 petty officers and men. Only 1 officer. and 146 men survived the sinking to be rescued by SHIGURE which returned to Sasebo 22 December.
20 February 1945:
Removed from Navy List.