SENSUIKAN!

© 2006-2019 Bob Hackett & Sander Kingsepp

14 May 1945:
Sasebo Navy Yard. Laid down as the Sen-Taka Sho (High-speed Small Type) class submarine HA-210.[1]

10 June 1945:
Launched as HA-210.

15 June 1945:
Lt Aoki Shigeru (71)(former navigating officer of RO-63) is appointed the Chief Equipping Officer (CEO).

11 August 1945:
Completed and commissioned in the IJN. Assigned to SubDiv 52 under Captain Yokota Minoru (former staff operations officer at SubRon 11). Lt Aoki Shigeru is the Commanding Officer.

2 September 1945:
Sasebo. HA-210 is surrendered to the Allies.

2 November 1945:
Reassigned to Japanese Submarine Division Three under LtCdr (later Captain) Paul R. Schratz with HA-201, HA-202, HA-203 and HA-205.

30 November 1945:
Removed from the Navy List.

26 March 1946:
Washington, DC. At a Submarine Officer's Conference, attended by former ComSubPac Vice Admiral Charles A. Lockwood, it is decided to dispose of all remaining captured Japanese submarines by sinking.

5 April 1946:
Off Sasebo Bay. HA-210 is scuttled by the USN with RO-31, HA-207, HA-215, HA-216, HA-217, HA-219 and HA-228.

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Authors' Notes:
[1] Prior to laying down HA-210 was designated Submarine No. 4920. She was renumbered HA-209 and provisionally attached to Sasebo Naval District on 5 May 1945.

Special thanks for help in preparing this TROM go to Dr. Higuchi Tatsuhiro of Japan and to fellow submarine enthusiast Steven Eckhardt of Australia.

– Bob Hackett and Sander Kingsepp.

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