IJN Submarine HA-204:
Tabular Record of Movement
© 2006-2015 Bob Hackett & Sander Kingsepp
5 April 1945:
Sasebo Navy Yard. Laid down as a Sensuikan
Taka Sho (Fast Small Submarine), (STS) Type.
15 May 1945:
Lt Shigemoto Shunichi (70)(former navigating officer
of I-47) is appointed the Chief Equipping Officer.
1 June 1945:
25 June 1945:
Completed and commissioned in the IJN. Assigned to
SubDiv 33. Lt Shigemoto is the Commanding Officer.
6 August 1945: The First Atomic Bombing of Japan.:
HA-204 is enroute
to Kure for a hull refit. After 0815, off Etajima Island, the surfaced
submarine and its bridge crew are exposed to radiation from the nuclear
explosion over Hiroshima. Lt Shigemoto receives severe burns.
2 September 1945:
HA-204 is surrendered to the Allies at Sasebo.
Grounded in Aburatsu Bay off Miyazaki coast.
30 November 1945:
Removed from the Navy List.
August to October 1948:
Scrapped at the Nishimura Tekkosho ironworks
Special thanks for help in preparing this TROM go to Dr.
Higuchi Tatsuhiro of Japan.
– Bob Hackett and Sander Kingsepp.
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