SENSUIKAN!
IJN Submarine HA-104:
Tabular Record of Movement
© 2006-2015 Bob Hackett & Sander Kingsepp
Revision 1
1 July 1944:
Tanagawa. Laid down at Kawasaki's Senshu
Works as a Sensuikan Yu Sho (Small Supply Submarine) No. 4604, (SS) Type.
30 September 1944:
Launched and numbered HA-104
14 October 1944:
Lt Koga Jinsaku (69)(former torpedo officer of
AKEBONO) is appointed the Chief Equipping Officer.
1 December 1944:
Kobe. Completed and commissioned in the IJN. Assigned
to SubRon 11. Lt Koga Jinsaku is the CO.
Mid-January 1945:
Inland Sea. Works up in the Iyo Nada with HA-101 and
HA-102.
5 February 1945:
Reassigned to Rear Admiral Owada Noboru's SubRon 7.
Mid-February 1945:
Arrives at Yokosuka for exercises.
20 Mar 1945:
SubRon 7 is disbanded. Reassigned to Rear Admiral
Imaizumi Yoshijiro's (former CO of SANTOS MARU) SubDiv 16.
Late April 1945:
HA-104 starts preparations for a supply run to
Minami-Torishima (Marcus) Island.
8 May 1945:
The garrison of Minami-Torishima sends a warning to Kure
concerning recent Consolidated B-24 "Liberator” attacks on the island and about
USN submarines patrolling in the area.
10 May 1945:
Departs Yokosuka on a supply run to Minami-Torishima,
carrying 31-tons of food and 0.5-tons of other cargo.
13 May 1945:
Arrives at Minami-Torishima, unloads her cargo, embarks
mail and the ashes of 90 IJA soldiers, then departs .
1 June 1945:
Returns to Yokosuka. Enroute, air escort is provided by
planes from the Tateyama NAG and ASW escort is provided by subchasers from the
Yokosuka Guard Unit. Starts a rebuild to enable her to carry aviation fuel.
26 June 1945:
Departs Yokosuka on a supply run to Minami-Torishima.
July 1945:
Arrives at Minami-Torishima, unloads her cargo, then
returns to Yokosuka.
14 July 1945:
Lt Kuroda Masaru (71)(former communications officer of
I-8) is appointed CO.
2 September 1945:
Yokosuka. HA-104 is surrendered to the Allies.
15 September 1945:
Removed from the Navy List.
October 1945:
Scuttled off Shimizu.
Authors' Notes:
Special thanks for help in preparing this TROM go to Dr.
Higuchi Tatsuhiro of Japan.
– Bob Hackett and Sander Kingsepp.
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