IJN Mizuho: Tabular Record of Movement

© 1999 Anthony P. Tully

May 1940:
Ship of 3rd Reserve at Yokosuka Naval District up to 31 May.Captain Hoshi Kazuo commanding.

1 June 1940:
At Yokosuka, assigned to Combined Fleet.

15 October 1940:
Captain Hoshi relieved by Captain Sumikawa Michio as commanding officer.

15 November 1940:
Became flagship of Seaplane Tender Division 7.

2 December 1940:
Flag of Seaplatendiv 7 removed; remainder of year spent under tactical command of CinC China Area Fleet.

January - February 1941:
Operating in China-Hainan area.

March 1941:
Reassigned to Seaplatendiv 11. In Inland Sea and Empire waters around Kyushu till October.

5 September 1941:
Captain Sumikawa relieved by Captain Okuma Yuzuru assigned as commanding officer.

6 November 1941:
Assigned to Southern Force, Philippines Force, South Philippines Support Force Seaplane Force.

18 November 1941:
Depart Kitsuki for Kure, arrive Kure the next day.

24 November 1941:
Depart Kure, operate in Terashima Channel.

27 November 1941:
Depart for Palau in the Mandated Islands.

8 December 1941:
Depart Palau for Legaspi surprise attack operations.

15 December 1941:
Assigned to #2 Seaplane Force of Southern Force, Philippines Force.

12 - 16 December 1941:
At Cabugao Bay. Same assignment.

17 - 26 December 1941:
Assigned to Ramon Bay landing operations.

24 December 1941:
Arrive Anibawan Bay.

26 December 1941:
Assigned to #2 Air Force of Dutch East Indies Force, Eastern Occupation Force. Depart for Palau.

29 December 1941:
Arrive at Palau.

31 December 1941:
Depart Palau for East Indies Operations.

2 January 1942:
Depart Davao.

9 - 20 January 1942:
Participated in occupation of Menado; arriving at Banga anchorage 11 January.

21 January 1942:
Depart Banga for Kendari occupation duty.

24 January 1942:
Arrive at Sarabanka Bay and remain there till the conclusion of the Kendari operations on the 29th.

29 January 1942:
Depart Sarabanka Bay for Ceram.

31 January 1942:
Arrive Ceram.

February 1942:
Same assignment continued. As flagship of Seaplane Tender Division 11 (Kokusentai 11) participated in a series of landing operations support duties. Covered Ambon occupation until 3 February, took part in Makassar occupation Feb. 6-11th; Koepang, Timor occupation Feb. 17-21st; and Surabaya occupation beginning 25 February.

1 March 1942:
Getting word of the battle developing north of Bawean Island, together with CHITOSE launch part of a contingent of eleven Type-0 floatplanes that at about 1430 bomb U.S. destroyer POPE, scoring a near-miss off the port side aft of amidships. This inflicts mortal flooding of the port engine room that within half an hour slows the ship to a crawl. POPE is then finished off by six Type-97 "Kates" from RYUJO and the cruisers ASHIGARA and MYOKO, sinking shortly before 1540.

14 March 1942:
Assigned to Southern Force main unit (still in Seaplatendiv 11, attached to Combined Fleet). Proceeded to Yokosuka via Staring Bay, Makassar, and Davao.

28 March 1942:
Arrive Yokosuka. Enters drydock for refitting the following day.

2 April 1942:

10 April 1942:
Assigned with Seaplatendiv 11 to Forward Force.

1 May 1942:
Depart Yokosuka for Hashirajima upon completion of refitting.

Sunk: At 2303 the same evening, hit in port side by one torpedo of two fired by USS DRUM (SS-228) in a position bearing 220 degrees, forty miles from Omae Zaki. A fire broke out and the tender assumed a list of 23 degrees. Despite strenous efforts to confine the flooding which appeared successful, the flooding worsened three hours after being hit. Abandon Ship was ordered after 0300, and at 0416 she capsized and sank stern first. Heavy cruiser TAKAO had arrived and rescued ComSeaplantendiv 11, Captain Okuma and 471 officers and men , but 7 officers and 94 men were lost. Among the survivors 17 were severely wounded, and 14 slightly wounded.

20 May 1942:
Removed from Navy List.

Although unrecognized at the time, in retrospect DRUM's exploit was very important. It probably deprived the IJN of a potential future carrier conversion, as the conversions of near-sister tenders CHIYODA and CHITOSE to CVLs were extremely successful.

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