© 2006 Bob Hackett, Sander Kingsepp and Peter Cundall
25 November 1944:
Maizuru Naval Yard. Laid down.
12 February 1945:
Launched and named IWO. [1]
24 March 1945:
Completed and registered in the Sasebo Naval District. LtCdr Kodera Touji is the Commanding Officer. Attached to the Kure Guard Unit.
March - April 1945:
Undergoes training and conducts anti-submarine exercises in Nanao Bay.
5 May 1945:
Reassigned to the Maizuru Naval District with special purpose transport KOGANE MARU in the newly formed 51st Division.
1 June 1945:
Arrives at Ominato, Honshu.
13 June 1945:
USAAF XXth Air Force B-29 "Super Fortress" heavy bombers mine Shimonoseki Straits and the waters off Niigata. IWO strikes one of the mines 1 mile SE of Kannonzaki and is damaged.
14 July 1945:
Departs Hachinohe, Honshu. Soon after departure, IWO is attacked by aircraft from Rear Admiral (later Admiral) Arthur W. Radford’s Task Group 38.4’s USS SHANGRI-LA (CV-38). Although subjected to attacks from 0430-1000, IWO sustains little damage, but four crewmen are KIA and 61 wounded.
1 August 1945:
Reassigned to the 104th Escort Squadron at Maizuru.
15 August 1945:
Wakkanai, Hokkaido. IWO’s crew is notified of the
termination of war.
5 October 1945:
Removed from the Navy List.
October 1945:
Remodeled to a special cargo ship.
29 October 1945:
Departs Maizuru.
6 November 1945:
Arrives at Manila.
8 November 1945:
Departs Manila.
14 November 1945:
Arrives at Kagoshima.
29 November 1945:
Departs Kure.
1 December 1945:
Officially assigned to the Allied Repatriation Service.
7 December 1945:
Arrives at Manila.
8 December 1945:
Departs Manila.
16 December 1945:
Arrives at Otaka.
1 January 1946:
Undergoes repairs at Tamano.
23 January 1946:
Completes repairs.
27 January 1946:
Departs Kure.
28 January 1946:
Arrives at Kagoshima.
29 January 1946:
Departs Kagoshima.
31 January 1946:
Arrives at Ishigaki Shima and departs later the same day.
1 February 1946:
Arrives at Kirun (Keelung).
2 February 1946:
Departs Kirun.
4 February 1946:
Arrives at Kagoshima.
7 February 1946:
Departs Kagoshima.
9 February 1946:
Arrives at Kirun.
10 February 1946:
Departs Kirun.
12 February 1946:
Arrives at Kagoshima.
14 February 1946:
Undergoes repairs at Tamano.
1 March 1946:
Completes repairs.
3 March 1946:
Departs Tamano.
5 March 1946:
Arrives at Sasebo.
6 March 1946:
Departs Sasebo.
9 March 1946:
Arrives at Kirun.
10 March 1946:
Departs Kirun.
12 March 1946:
Arrives at Kagoshima.
2 July 1948:
Sasebo shipyard. Begins scrapping.
Authors' Note:
[1] IWO was also known as IO.
Thanks for assistance go to Dr. Higuchi Tatsuhiro of Japan. Thanks also go to Jeff Donahoo of Iowa for help in identifying kaibokan COs.
-Bob Hackett, Sander Kingsepp and Peter Cundall.
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