(TSURUMI prewar)


Tabular Record of Movement

© 2005-2018 Bob Hackett and Peter Cundall.

Revision 13

10 March 1921:
Sakurajima. Laid down at the Osaka Ironworks.

17 September 1921:
Captain Kabayama Nobuyuki (28) is appointed Chief Equipping Officer.

29 September 1921:
Launched and named TSURUMI.

14 March 1922:
Completed and registered in the Maizuru Naval District. Captain Kabayama is the Commanding Officer.

10 November 1922-20 October 1923:
Captain Toriyama Sadayoshi (30) (former CO of TAKASAKI) is the CO.

20 October 1923:
Cdr (later Captain) Sugimoto Yukio (31) is appointed CO.

Completes conversion to a seaplane carrier/tender. TSURUMI can operate as a tanker while in the seaplane role. She carries eight Type 14-1 Yokosuka E1Y1 three-seat reconnaissance floatplanes, two of which are reserves and remain disassembled until needed.

13 February 1924:
Captain Kiuchi Tatsuzo (31) (former CO of KOMAHASHI) is appointed Supervisor.

1 December 1924:
Captain Fukuhara Goro (30) is appointed CO.

20 April 1925:
Cdr (later Captain) Tokuhiro Sakichi (32)(current CO of SHIRETOKO) is appointed CO as an additional duty.

20 October 1925:
Captain Kurobane Hideo (32)(former CO of SUMA) is appointed CO. Cdr Tokuhiro resumes full-time command of SHIRETOKO.

20 May 1926:
Captain Maki Akira (32)(former CO of HAYATOMO) is appointed CO.

1 December 1926:
Captain (later RAdm) Ban Jiro (33) (former CO of KOSHU) is appointed the CO until 1 December 1927.

1 December 1927:
Captain Ono Isao (34) (former CO of ODOMARI) is appointed CO. Captain Ban is posted CO of NAGARA.

1 May 1929:
Captain (later RAdm) Tabata Hiroyoshi (35) (former division officer of KATORI and former instructor at Etajima Naval Academy) is appointed the CO.

1 November 1929:
Cdr (RAdm, posthumously) Maki Kikuta (34) (former XO of YURA) is appointed the CO.

30 November 1929:
Cdr Maki is promoted Captain.

1 December 1930:
Cdr (later RAdm) Suzuki Kozo (36) (former CO of KOMAHASHI) is appointed the CO.

TSURUMI begins and completes reconversion to an oiler.

1 December 1931:
Captain (Admiral, posthumously) Ito Seiichi (39) (former torpedo officer of SHIOKAZE and former assistant naval attaché to the United States) is appointed the CO.

8 March 1932:
Captain (later VAdm) Matsuura Eijiro (38) (former XO of IZUMO) is appointed the CO.

15 November 1932:
Cdr (later RAdm) Nakamura Kazuo (37) (former XO of KAKO) is appointed the CO.

1 December 1932:
Cdr Nakamura is promoted Captain.

15 November 1933:
Captain (later VAdm) Wakabayashi Seisaku (39) (former CO of RO-58 and former staff officer of the Yokosuka Naval District) is appointed the CO.

22 October 1934:
Cdr (later VAdm) Tada Takeo (40) (former CO of NARA and former staff officer of the Training Fleet) is appointed the CO.

15 November 1934:
Cdr Tada is promoted Captain.

20 July - 2 September 1935: The Combined Fleet's Great Maneuvers:
TSURUMI is attached to the Fourth Fleet in the “Red Fleet”. Exercises are conducted in the NW Pacific between Japan and the Kuriles. TSURUMI serves with fleet oilers KAMOI and SUNOSAKI.

25 September 1935: The "Fourth Fleet Incident”:
Hokkaido. The fleet departs Hakodate and steams into the NW Pacific where it encounters a major typhoon. Light carriers HOSHO and RYUJO, several cruisers and destroyers are damaged by the storm. Over 50 men are killed.

10 October 1935:
Cdr (later RAdm) Tashiro Sohei (41) (former XO of YAKUMO) is appointed the CO.

15 November 1935:
Cdr Tashiro is promoted Captain.

25 May 1936:
Captain (later VAdm) Kobayashi Kengo (42) (former naval aide to the Emperor) is appointed the CO.

18 August 1936:
Cdr Jojima Takatsugu (40) (former XO of battleship KIRISHIMA) is appointed CO. Captain Kobayashi is posted Naval Attaché to the United States.

1 December 1936:
Cdr Jojima is promoted Captain.

7 July 1937: The Marco Polo Bridge (Sino-Japanese) Incident:
Lugouqiao, China. Japanese troops on night maneuvers fire blank cartridges. Chinese troops fire back, but do not cause injuries. At morning roll call, the Japanese discover a soldier missing and assume the Chinese captured him. They demand entry to a suburb of Beijing to look for the soldier, but the Chinese refuse. The Japanese then shell the city and an undeclared war on China begins.

10 August 1937:
TSURUMI departs Sasebo with the 22nd Sea Scout Unit embarked. Later, the 22nd establishes a seaplane base in the Ma-an Islands, off China.

16 October 1937:
Captain Jojima is reassigned as CO of carrier HOSHO. Cdr (later VAdm, posthumously) Ota Minoru (41) (former XO of YAMASHIRO) is appointed the CO.

1 December 1937:
Cdr Ota is promoted Captain.

10 August 1938:
Captain (later RAdm) Tanaka Yasuro (42) (former XO of TENRYU and former staff officer of the Naval Technical Department) is appointed the CO until 15 December.

15 December 1938:
Captain Mori Ryozo (39)(former CO of MUROTO) is appointed CO, with additional duty as Chief Equipping Officer of AKASHI.

1 November 1939:
Captain Mori is relieved of his duty as Chief Equipping Officer of AKASHI and is appointed CO of KISO as an additional duty.

20 June 1940:
Captain (RAdm, posthumously) Azukizawa Sei (42) (former XO of KONGO and former XO of Amoy Area Special Base Force) is appointed the CO. Captain Mori assumes full-time command of KISO.

1 August 1940:
Captain (RAdm, posthumously) Sawa Masao (40) (former CO of NOJIMA) is appointed the CO until 25 September.

25 September 1940:
Captain Kawahara Kinnosuke (39)(former CO of YOMOGI) is appointed CO.

22 April 1941:
TSURUMI is assigned directly to the Combined Fleet.

11 August 1941:
Captain Fujita Shunzo (42) )(former ComDesDiv 20) assumes command.

26 November 1941:
Departs Hashirajima.

30 November 1941:
Arrives at Hahajima on a water replenishment mission.

9 December 1941:
Departs Hahajima.

13 December 1941:
Arrives at Chichijima.

17 December 1941:
Departs Chichijima.

21 December 1941:
Arrives at Kure.

1 January 1942:
Departs Kure.

2 January 1942:
Arrives at Saiki.

4 January 1942:
Departs Saiki and arrives at Hashirajima.

30 January 1942:
Departs Kure.

9 February 1942:
Arrives at Camranh Bay, Indochina.

February 1942: Operation "J" - The Invasion of Java, Netherlands East Indies:
TSURUMI is with Vice Admiral Takahashi Ibo's (40) Third Fleet's Netherlands East Indies Force. Supports Vice Admiral Ozawa Jisaburo’s (37) Western Java Seizure Force.

11 February 1942:
Departs Camranh Bay.

17 February 1942:
Arrives at Anambas Islands, Netherlands East Indies.

20 February 1942:
At Anambas Oilers NICHIEI MARU and TSURUMI refuel torpedo boat HATSUKARI and destroyers from DesDiv 5 and DesDiv 22.

21 February 1942:
Departs Anambas. Refuels CruDiv 7's MOGAMI, MIKUMA, KUMANO and SUZUYA and other naval units engaged in Netherlands East Indies and Indochina military operations.

28 February 1942: The Battle of the Sunda Strait:
TSURUMI arrives at Bantam Bay, Java.

At about 2215, American Captain (later KIA, MOH posthumously) Albert H. Rooks (USNA ’14) USS HOUSTON (CA-30) and Australian Captain Hector M. L. Waller’s light cruiser HMAS PERTH, attempt to retire to Ceylon (Sri Lanka), but accidentally encounter Ozawa’s Seizure Force transports screened only by DesDiv 5's HARUKAZE, HATAKAZE and DesDiv 11's FUBUKI. The Allies attack. The Japanese destroyers make smoke. FUBUKI charges and launches nine torpedoes.

At 2300, the Third Escort Force's light cruiser NATORI and her destroyers arrive on scene with CruDiv 7’s MOGAMI and MIKUMA and destroyer SHIKINAMI. At 2327, in the Sunda Strait, MOGAMI fires six “Long Lance” torpedoes at HOUSTON, but they all miss and pass into Bantam Bay. At 2335, five explosions erupt. IJA transports SAKURA, HORAI and TATSUNO MARUs, landing ship SHINSHU (a.k.a. RYUJO) MARU and minesweeper W-2 are hit by the torpedoes and sink in shallow water.

1 March 1942:
At 0025, IJN destroyers sink PERTH. Of the 681 men aboard, 353 are killed. All but four of the 328 survivors are captured as POWs. Of those captured, 106 will die in captivity and the surviving 218 will be repatriated after the war. At 0045, after being hit by torpedoes and gunfire, HOUSTON also sinks. Of the original crew of 1,061 men, 368 survived, including 24 of the 74-man USMC detachment.

Bantam Bay, E of Nicholas Point. That same day, Dutch Ltz/II Carel W. T. Baron van Boetzelaer's submarine Hr.Ms. K-XV attacks TSURUMI. Van Boetzelaer fires two torpedoes. At least one hits and damages TSURUMI.

Later that day Patrol Boat PB-35 comes alongside TSURUMI and is refueled.

4 March 1942:
Attached to the Malaya Force.

9 March 1942:
Departs Bantam Bay escorted by destroyer HATAKAZE.

12 March 1942:
At 1430 both ships arrive at Keppel Harbour then Seletar Naval Base, Singapore. Undergoes battle damage repairs.

7 May 1942:
At 0800 departs Singapore.

19 May 1942:
Arrives at Kure.

25 May 1942:
Transfers from Kure to Kanokawa.

26 May 1942:
Departs Kanokawa and arrives at Hashirajima later this day.

28 May 1942: Operation “MI” – The Battle of Midway:
TSURUMI departs Kure in Vice Admiral (later Admiral) Kondo Nobutake's (35) (former CO of KONGO) Second Fleet, Midway Invasion Force with Captain Murao Jiro's Supply Group’s oilers TSURUMI and SATA (F) and GENYO and KENYO MARUs and repair ship AKASHI.

17 June 1942:
Departs Hashirajima.

18 June 1942:
Arrives at Kanokawa. Loads heavy oil.

19 June 1942:
Transfers from Kanokawa to Kure.

20 ~ 25 June 1942:
Loads coal.

26 June 1942:
Departs Kure.

27 June 1942:
Arrives at Komatsushima. Operates as an oiler in the Komatsushima area.

28 June 1942:
Refuels destroyers from 2nd DesDiv.

18 September 1942:
Departs Kure.

3 October 1942:
Arrives at Truk.

4 October 1942:
Departs Truk.

9 October 1942:
At 1250, minesweeper W-22 arrives and begins escorting.

10 October 1942:
At 0511, W-22 carries out an anti submarine sweep and drops one depth charge. At 0710, arrives at Shortland and is piloted into the Buin anchorage by W-22. Thereafter W-22 ends the escort.

11 October 1942:
At 1525, W-22 comes alongside to port. From 1540 til 1617 supplies W-22 with heavy oil and 25t boiler water. Later that day depats Buin in a convoy also consisting of auxiliary storeship CHOKO MARU escorted by W-22.

12 October 1942:
At 1830, CHOKO MARU detaches and heads towards Rabaul.

14 October 1942:
At 1205, W-22 ends the escort. TSURUMI arrives at Kavieng. Later that day departs Kavieng and arrives at Rabaul later that day.

23 October 1942:
Arrives at Rabaul. Over the next few weeks, acts as a fleet replenishment tanker and refuels various naval vessels, mostly destroyers.

26 October 1942:
At 1136, W-22 comes alongside to port midships. From 1145 til 1230 supplies W-22 with 33t of heavy oil. At 1235, W-22 departs.

2 November 1942:
Supplies light cruiser TENRYU at Rabaul.

7 November 1942:
Rabaul. Reserve Captain Ito Giichi (42) (former CO of AKASHI) is appointed the CO.

9 November 1942:
At Rabaul.

12 November 1942:
Lies alongside auxiliary oiler NISSHIN MARU. NISSHIN MARU transfers 2,300t heavy oil to TSURUMI.

13 November 1942:
At 0445, Loads boiler water and refuels destroyers TACHIKAZE and SHIKINAMI. At 1145, Captain Fujita Shunzo departs.

15 November 1942:
Refuels destroyer AKIKAZE and an unknown torpedoboat.

16 November 1942:
At 0600, submarine I-121 comes alongside to starboard and is refueled.

17 November 1942:
At 0440, refuels submarine I-122 and five unknown ships.

18 November 1942:
Refuels two unknown patrol boats and one unknown submarine.

19 November 1942:
Refuels three unknown ships with the remaing 60t heavy oil.

21 November 1942:
At 0800, auxiliary oiler GENYO MARU comes alongside to port. From 1000 til about 1600 GENYO MARU transfers heavy oil. Thereafter TSURUMI refuels an unknown submarine.

22 November 1942:
At 0445, auxiliary oiler GENYO MARU comes alongside to starboard. From 0630 til 1530 GENYO MARU transfers heavy oil.

On the portside lies a TACHIKAZE class destroyer squadron and light cruiser TENRYU. From 1600 refuels the 4 destroyers. From 1500 til 1530 refuels TENRYU.

23 November 1942:
From about 0445 til 0840 refuels destroyer SUZUKAZE and an unknown patrol boat on starboard. From 1100 refuels 12 unknown 11th squadron vessels.

24 November 1942:
Refuels destroyer KAWAKAZE.

26 November:
At 0700, refuels 4 ships and at 1000, refuels a patrol boat.

27 November 1942:
At 0600, refuels destroyer AKIZUKI. At 1030, comes alongside to auxiliary oiler KOKUYO MARU. At 1530, KOKUYO MARU transfers 3100t heavy oil for drums.

28 November 1942:
A coal ship comes alongside and transfers 500t coal.

3 December 1942:
At 0600, alongside auxiliary oiler KOKUYO MARU. KOKUYO MARU transfers 280t heavy oil. At 1300, light cruiser KITAKAMI comes alongside and is supplied with 450t heavy oil. At the same time light cruiser OI lying alongside to port is supplied with 450t heavy oil.

5 December 1942:
At Rabaul. Between 1027 and 1310 transfers bunker fuel to heavy cruiser SUZUYA.

25 December 1942: Auxiliary collier/tanker TONEI MARU comes alongside and transfers coal.

26 December 1942:
St. Georges Channel, Bismarcks. Destroyer TANIKAZE is towing unnavigable destroyer UZUKI that collided the previous day with transport NANKAI MARU. The transport herself had been torpedoed and damaged that day by LtCdr (later Rear Admiral) William E. Ferrall's (USNA ’27) USS SEADRAGON (SS-194).

At 1200, TSURUMI, destroyer URAKAZE and minesweeper W-21 arrive from Rabaul as escorts. TSURUMI undertakes towing UZUKI. Arrives back at Rabaul later that day. Later that day supplies heavy fuel oil to AKEBONO MARU.

27 December 1942:
Again supplies heavy fuel oil to AKEBONO MARU.

4 January 1943:
At 0800, TSURUMI departs Rabaul escorting a convoy consisting of small tanker KYOEI MARU and small cargo ships HOKKAI and GIYU MARUs also escorted by subchaser CH-16.

6 January 1943:
At 1030, the convoy is attacked by two aircraft that are driven off without damage. At 1300, arrives at the Shortland Islands.

9 January 1943:
Tows Seaplane Tender SANYO MARU from Shortland to Truk.

17 January 1943:
Arrives at Truk.

27 January 1943:
Departs Truk escorted by auxiliary gunboat HEIJO MARU.

28 January 1943:
At 2400, HEIJO MARU is detached to escort oiler KENYO MARU into Truk.

30 January 1943:
Allied codebreakers pick up a signal indicating TSURUMI is near Truk escorted by auxiliary gunboat HEIJO MARU.

2 February 1943:
At 0130, auxiliary submarine chaser CHa-30 joins the escort. At 1500, USAAF B-17’s launch an air attack and hit damaged aircraft transport KEIYO MARU near Shortland. At 1630, TSURUMI arrives at the Shortland Islands.

10 February 1943:
Departs Shortland.

15 February 1943:
Arrives at Truk.

26 February 1943:
Departs Truk in a convoy with small tanker HISHI MARU No. 2 escorted by subchaser CH-10.

5 March 1943:
Transits between Davao and Jolo escorted by auxiliary gunboat KISO MARU and air attack.

13 March 1943:
Arrives at Palembang, Sumatra.

14 March 1943:
Arrives at Balikpapan, Borneo.

16 March 1943:
TSURUMI departs Balikpapan in a convoy with small tanker BEIJU MARU and probably KYOEI MARU No. 3.

17 March 1943:
Arrives at Singapore.

23 March 1943:
Departs Singapore.

3 April 1943:
Anchors temporarily off Hosojima.

4 April 1943:
Anchors temporarily off Tokuyama.

6 April 1943:
Arrives at Tokuyama.

8 April 1943:
Arrives at Kure. Undergoes repairs.

8 May 1943:
Departs Kure.

11 May 1943:
TSURUMI departs Moji in convoy No. 156 consisting of KOHO MARU and six unidentified merchant ships escorted by auxiliary gunboat PEKING MARU.

15 May 1943:
KOHO MARU is detached for Kirun. Auxiliary gunboat HUASHAN (KAZAN) MARU joins the convoy.

16 May 1943:
Arrives at Mako, Pescadores.

17 May 1943:
TSURUMI departs Mako in convoy No. 392 consisting of SAN LUIS, NITTATSU MARUs and six unidentified merchant ships escorted by auxiliary gunboat HUASHAN (KAZAN) MARU. At some point midway into the convoy NITTATSU MARU is detached from the convoy for Miri.

22 May 1943:
TSURUMI and SAN LUIS MARU are detached from convoy. SAN LUIS MARU heads for Palembang, Sumatra.

27 May 1943:
Arrives at Surabaya.

4 June 1943:
At 0900, departs Surabaya escorted by subchaser CH-2 .

8 June 1943:
At 0800, arrives at Balikpapan.

22 June 1943:
Departs Balikpapan in convoy No. 2602 consisting of TSURUMI escorted by subchaser CH-4.

28 June 1943:
Arrives at Palau.

1 July 1943:
Departs Palau. At about 0900, LtCdr (later Rear Admiral) Charles H. Andrews (USNA ’30) USS GURNARD (SS-254) attacks convoy FU-105 consisting of ARIMASAN, SHINYUBARI, HIGASHI MARUs and an unidentified ship escorted by torpedo boat HATO at 07-37N, 134-26 E. In several attacks, Andrews fires 11 torpedoes, but they all miss or premature.

TSURUMI and hospital ship MURO MARU report seeing torpedo tracks. Later, Japan protests the attack on MURO MARU. [1]

10 July 1943:
Arrives at Kure.

18 July 1943:
Departs Kure.

19 July 1943:
At 0600, departs Moji in N convoy consisting of TSURUMI, TAINAN, HAVRE (5652 GRT), HOKUYO MARUs and five unidentified merchant ships escorted by destroyer ASANAGI.

24 July 1943:
Arrives at Takao.

26 July 1943:
Departs Takao in convoy No. 762 consisting of TSURUMI, NANMAN, TAIKOKU, RONSAN and SHOYU MARUs and four unidentified merchant ships escorted by torpedo boat SAGI and meteorological vessels KAIYO No. 1 and KAIYO No. 2.

29 July 1943:
At 0355 in 15-25N 119-22E north of Palauig Point KAIYO No. 1 ran aground. The ship was refloated at 1115 and was towed to Cavite for repairs.

30 July 1943:
Arrives at Manila.

5 August 1943:
Departs Manila in an unnamed convoy escorted by auxiliary gunboat KISO MARU and meteorological ship KAIYO No. 2.

9 August 1943:
Arrives at Tarakan.

11 August 1943:
Departs Tarakan escorted by subchaser CH-5 and meteorological ship KAIYO No. 2.

13 August 1943:
Arrives at Balikpapan.

20 August 1943:
At 0900, TSURUMI departs Balikpapan in convoy No. 2606 consisting of AMAGISAN, NICHIAI and YAMAYURI MARUs escorted by subchasers CH-4 and CH-5.

23 August 1943:
YAMAYURI MARU and CH-5 are detached for Menado and then NICHIAI MARU is detached.

26 August 1943:
Off Palau. LtCdr (later Cdr) John A. Scott's (USNA ’28) USS TUNNY (SS-282) unsuccessfully attacks a convoy consisting of TSURUMI and transport AMAGISAN MARU escorted by subchaser CH-4 at 07-30N, 134-20E. CH-4 damages USS TUNNY and forces Scott to terminate his patrol.

27 August 1943:
Departs Palau in convoy No. 8283 consisting of TSURUMI and tankers FUJISAN and TOA MARUs with destroyer TAMANAMI as escort.

31 August 1943:
Target ship YAKAZE departs Saipan to join convoy 8283 consisting of fast oilers FUJISAN and TOA MARUs and TSURUMI escorted by destroyer TAMANAMI.

2 September 1943:
Arrives at Truk.

9 September 1943:
At 0630, departs Truk in a convoy consisting of oilers TSURUMI and KYOEI MARU No. 2, and cargo ship TAIKOKU MARU escorted by subchaser CH-29 and auxiliary patrol boat SHOWA MARU. Steams to Palau, then Balikpapan via Tarakan.

14 September 1943:
Arrives at Palau.

17 September 1943:
Departs Palau in convoy No. 2610 consisting of TSURUMI, TOA MARU and KYOEI MARU No.2 escorted by destroyer ASAKAZE and subchaser CH-13.

20 September 1943:
Arrives at Davao and departs later that day.

23 September 1943:
Arrives at Tarakan.

24 September 1943:
Departs Tarakan.

26 September 1943:
Arrives at Balikpapan.

5 October 1943:
Departs Balikpapan in convoy No. 2608 consisting of TSURUMI, ONDO and five unidentified merchant ships escorted by destroyer SANAE and subchaser CH-5. Soon after leaving, TSURUMI develops machinery problems and is forced to turn back and anchor in the bay nearby.

10 October 1943:
Arrives at Palau.

18 October 1943:
Departs Balikpapan in convoy No. 2609 consisting of TSURUMI and KENZAN, DAI (ex-dutch DUYMAER VAN TWIST), EIKO, HIMALAYA, MACASSAR, SENKO MARUs, DAIGEN MARU No. 3 and OGURA MARU No. 3 escorted by destroyer WAKATAKE, submarine chaser CH-4 and auxiliary patrol boat HAKUHO MARU, and auxiliary subchaser CHa-41.

20 October 1943:
DAI MARU breaks down and is assisted by auxiliary subchaser CHa-41.

21 October 1943:
At 1000, DAI and KENZAN MARUs and CHa-41 are detached for Menado. At 1100 EIKO MARU suffers a breakdown and destroyer WAKATAKE stands by ship. At 1230 the ships rejoin the convoy.

22 October 1943:
At 0830 SENKO MARU is detached. Soon after MACASSAR MARU suffers a breakdown and stops for 10 minutes. CH-4 stands by.

25 October 1943:
Arrives at Palau.

17 November 1943:
At 0950, departs Palau in convoy 8175 consisting of oilers TSURUMI, SATA, SEIAN MARU, KYOEI MARUs and cargo ship SHOYU MARU escorted by destroyer AMATSUKAZE, subchaser CH-33 and auxiliary subchaser CHa-27.

20 November 1943:
At 2000, auxiliary subchaser CHa-27 detaches and returns to Palau.

24 November 1943:
Arrives 0840 at Truk with a cargo of 8,000 tons of fuel oil.

22 December 1943:
Hospital ship TAKASAGO MARU supplies to TSURUMI two medical kits.

26 December 1943:
Hospital ship TAKASAGO MARU comes alongside TSURUMI and loads 450-tons of coal, supplies medical supplies and loads 300-tons boiler water.

27 December 1943:
TAKASAGO MARU casts off from TSURUMI after embarking two patients. Between 0720 and 2000 transfers 5000 tonns No.1 grade fuel oil and 2000 tons No. 2 grade fuel oil to NISSHO MARU.

28 December 1943:
At 0445 TSURUMI casts off from NISSHO MARU.

29 December 1943:
Departs Truk escorted by cable layer escort TATEISHI.

2 January 1944:
Arrives at Saipan.

6 January 1944:
At 1315, departs Saipan for Palau, Balikpapan and Surabaya on a fuel transport mission in convoy NE-602 consisting of TSURUMI escorted by destroyer SHIMAKAZE and cable layer TATEISHI.

11 January 1944:
Arrives at Palau. TATEISHI and destroyer SHIMAKAZE are detached.

26 January 1944:
Departs Palau in the same convoy, but now also with NAGISAN MARU and escorted by patrol boat PB-2 and auxiliary subchaser CHa-26.

E 30 January 1944:
The escorts are detached at 130 degrees East longitude.

1 February 1944:
At 1600, arrives at Balikpapan.

5 February 1944:
At 1030, departs Balikpapan in a convoy consisting of TSURUMI, tankers YAMAMIZU and KYOEI MARUs and cargo ship NAGISAN MARU escorted by auxiliary subchasers CHa-36, CHa-37 and CHa-41.

6 February 1944:
At 0930, YAMAMIZU MARU is detached for Singapore.

9 February 1944:
Arrives at Surabaya.

12 February 1944:
At 1200, TSURUMI departs Surabaya escorted by minesweeper W-11.

14 February 1944 :
At 0800, W-11 detaches and TSURUMI proceeds unescorted.

15 February 1944:
Arrives at a battleship anchorage near Aru Bank. Departs and later that day arrives at Balikpapan.

22 February 1944:
Arrives at Singapore.

24 February 1944:
Departs Singapore.

26 February 1944:
Arrives at Surabaya.

1 March 1944:
At 1200, departs Surabaya.

2 March 1944:
A message is received that indicates Balikpapan has been mined. The convoy heads for Pagatan and awaits notification to proceed.

3 March 1944:
At 0400, departs Pagatan. At 0930, KITA MARU is detached. Later that day, anchors in the Kotabaru area.

4 March 1944:
At 1500 departs the Kotabaru area. At 2000, arrives at Pamukan Bay and temporarily anchors.

5 March 1944:
At 0500, departs Pamukan Bay. At 1730, arrives at Balikpapan.

15 March 1944:
At 0730, TSURUMI departs Balikpapan for Palau in convoy O-507 consisting of three echelons of seven ships escorted by destroyers HARUSAME and SHIRATSUYU, patrol boat PB-36, subchaser CH-6 and auxiliary subchaser CHa-52. The first echelon consists of fleet oiler IRO, tanker HISHI MARU No. 2 and cargo ship NAGISAN MARU. The second echelon consists of TSURUMI, tanker KYOEI MARU and cargo ship RAIZAN MARU and the third echelon consists only of cargo ship HOKUTAI MARU.

16 March 1944:
At 1530, destroyer MICHISHIO joins the convoy and the other escorts, except PB-36 escorting IRO, depart.

20 March 1944:
At 0910, auxiliary subchasers CHa-51 and CHa-53 join the escort.

22 March 1944:
LtCdr (later Cdr) John A. Scott's (USNA ’28) USS TUNNY (SS-282) SJ radar picks up a large convoy. At daybreak, Scott is maneuvering to gain an attack position when his radar picks up a destroyer at 14,000 yards. The destroyer sights the submarine and challenges USS TUNNY with a blinker. Scott ducks into a nearby rain squall and continues to close on the surface in conditions of poor visibility. Through the haze, he makes out a group of oilers and cargo ships.

Scott sets up and fires a full bow spread of six-torpedoes at two cargo ships at 07-22N, 132-08E. He and his crew see and hear hits on both, but suddenly, a small oiler, probably KYOEI MARU, appears out of the gloom and almost collides with USS TUNNY.

Scott sets up on destroyer MICHISHIO moving at high speed across USS TUNNY’s stern. He fires four Mark-18 electric torpedoes, then crash dives as depth charges from a trawler explode on his port quarter. During the next four hours, IRO is hit in the bow, forward of the bulkheads. MICHISHIO and newly arrived dstroyers HARUSAME and SHIGURE hunt the submarine. The Japanese drop 87 depth charges on USS TUNNY, but without effect. Until 0900 TSURUMI remains in close support of IRO, together with PB-36.

23 March 1944:
At 1810 the convoy arrives at Palau. IRO also limps in.

26 March 1944:
At 0700, TSURUMI departs Palau escorted by destroyer AKIKAZE, subchaser CH-16 and auxiliary subchaser SHONAN MARU No. 15.

31 March 1944:
At 1100, arrives at Saipan.

3 April 1944:
Departs Saipan in a convoy consisting of fleet oilers TSURUMI and TAKASAKI escorted by Patrol Boat No. 31.

6 April 1944:
An enemy submarine attacks but is driven off by depth charges.

14 April 1944:
At 0620, arrives at Tarakan.

17 April 1944:
At 0630, departs Tarakan.

19 April 1944:
Arrives at Balikpapan.

1 May 1944:
At 0820, departs Balikpapan in the "TSURUMI convoy" consisting of TSURUMI and NASUSAN MARU escorted by patrol boat PB-2 and auxiliary subchaser CHa-41. At Tawi Tawi, TSURUMI refuels the First Mobile Fleet.

3 May 1944:
At 1904, arrives at Tarakan. [2]

4 May 1944:
At 1036, the same convoy departs Tarakan.

5 May 1944:
At 1207, arrives at Balikpapan.

8 May 1944:
Departs Balikpapan escorted by destroyer HAMAKAZE.

10 May 1944:
Arrives at Tarakan and departs later that day at 1500, still escorted by HAMAKAZE.

11 May 1944:
At 1800 arrives at Tawitawi.

13 May 1944:
Capt Yamamoto Rokuro (40) (former CO of Gunboat Division 3) is appointed the CO.

20 May 1944:
Departs Tawi Tawi in a convoy consisting of tankers YUHO, MANEI and EIHO MARUs escorted by destroyers AKIZUKI and URANAMI and kaibokan MANJU.

21 May 1944:
AKIZUKI is detached and returns to Tawi Tawi. Arrives at Tarakan.

24 May 1944:
Departs Tarakan escorted by kaibokan MANJU.

25 May 1944:
Arrives at Tawi Tawi.

26 May 1944:
Refuels heavy cruiser KUMANO.

31 May 1944:
Departs Tawi Tawi with destroyer AKIZUKI and kaibokan MANJU.

3 June 1944:
Arrives at Balikpapan.

7 June 1944:
Departs Balikpapan with kaibokan MANJU and auxiliary subchaser CHa-37.

10 June 1944:
Arrives at Tawi Tawi.

11 June 1944:
At 0118 refuels heavy cruiser TONE with 318 tons fuel oil. Later that day refuels heavy cruiser ATAGO.

1 July 1944:
Departs Tawi Tawi in convoy with tankers YUHO, MANEI and EIHO MARUs escorted by destroyer TSUGA, kaibokan KANJU and MIYAKE and submarine chasers CH-38, CH-49 and CH-58. Later that day, anchors in Ligitan Channel.

2 July 1944:
Departs Ligitan Channel. Later that day, anchors off Tarakan. TSUGA is detached. TETSUYO MARU joins.

3 July 1944:
Arrives at Berouw River mouth. TETSUYO MARU runs aground and is detached. The ship later refloats herself and returns to Tarakan.

4 July 1944:
Departs the Berouw River mouth.

5 July 1944:
Arrives at Balikpapan.

10 July 1944:
Departs Balikpapan in convoy with tankers YUHO MARU, MANEI MARU and EIHO MARU escorted by kaibokan KANJU and MIYAKE and submarine chasers CH-38, CH-49 and CH-58.

11 July 1944:
Arrives at the Berouw River mouth. ANKO and TATSUMATSU MARUs and tanker HISHI MARU No. 2 join the convoy.

12 July 1944:
Departs the Berouw River mouth. Later that day, anchors off Tarakan.

13 July 1944:
Departs Tarakan. Arrives at the Ligitan Channel. [2]

14 July 1944:
Departs the Ligitan Channel. Later that day, arrives at Tawi Tawi.

15 July 1944:
Departs Tawi Tawi. Later that day, arrives at Jolo, Philippines. TSURUMI, TATSUMATSU and ANKO MARUs and HISHI MARU No. 2 are detached.

18 July 1944:
At 0541 departs Zamboanga in convoy also consisting of tanker HISHI MARU No. 2 escorted by minesweeper W-30 and submarine chasers CH-49 and CH-58 and auxiliary netlayer TOKO MARU No 1 GO. At 1925 arrives at Malusu Bay, Basilan Island.

19 July 1944:
At 0600 departs Malusu Bay and at 1832 arrives at Lebak Bay.

20 July 1944:
At 0552 departs Lebak Bay and at 1653 arrives at Glan.

21 July 1944:
At 0457 departs Glan and at 1905 arrives at Malalag.

22 July 1944:
At 0624 departs Malalag and at 1048 arrives at Davao.

5 August 1944:
At 0148, departs Davao for Balikpapan in the "TSURUMI convoy" now consisting of TSURUMI and cargo ships BINGO and OSEI MARUs escorted by minesweeper W-30, auxiliary subchaser CHa-11 and KYO MARU No. 12.

S of Mindanao. At 1113, TSURUMI is attacked by LtCdr (later Captain) Edward F. Dissette’s (USNA ’34) USS CERO (SS-225) at 05-53N, 125-41E. In an underwater attack, Dissette fires six torpedoes and claims four hits. At 1130, TSURUMI capsizes and sinks in Davao Gulf. Captain Yamamoto survives the sinking of his ship.

10 October 1944:
Removed from the Navy List.

Authors' Note:
[1] It is unclear whether TSURUMI was the unidentified ship in convoy FU-105. Almost certainly MURO MARU was not in the convoy as hospital ships travelled alone and unescorted.

[2] It is unclear why TSURUMI steamed to Tarakan. Probably she was carrying refined fuel oil for the fast oilers to convey to Tawi Tawi.

Thanks go to Mr. Yutaka Iwasaki of Japan, Mr. Gengoro Toda of Japan, Mr. Matthew Jones of Mississippi, USA, Mr. Berend van der Wal of Netherlands and Mr. Gilbert Casse of France.

- Bob Hackett and Peter Cundall.

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