KAIBOKAN!

(Type C Escort by Takeshi Yuki scanned from "Color Paintings of Japanese Warships")

IJN Escort CD-1:
Tabular Record of Movement

© 2006-2012 Bob Hackett, Sander Kingsepp and Peter Cundall

Revision 3


15 September 1943:
Kobe. Laid down at Mitsubishi Heavy Industries.

29 December 1943:
Launched and numbered CD-1.

19 February 1944:
Completed and registered in the IJN.

2 April 1944:
Assigned to the General Escort Command’s First Surface Escort Division.

5 April 1944:
At 0530, CD-1 departs Moji with torpedo boat HATSUKARI, auxiliary gunboat KAZAN (HUASHAN) MARU and minesweeper W-18 escorting ore convoy TE-03 consisting of KINREI, SHORYU, DAIBU, YULIN, DAIYOKU and TOYOHI MARUs and non ore ships under the same convoy number ASO, JINJU, NARUO (ex Panamanian ESTERO), SORACHI, BRAZIL MARUs and YOSHIDA MARU No. 3 together with five unidentified merchant ships. CD-1 and her crew undergo workup and training while escorting TE-03.

14 April 1944:
At 1700, arrives at Takao. Most of the non ore carrying vessels are detached.

19 April 1944:
At 0800, CD-1 departs Takao with HATSUKARI, KAZAN (HUASHAN) MARU and W-18 escorting an amalgamation of three convoys TASA-17, TE-03 and No. 82 consisting of tanker TENSHIN MARU and cargo ships FRANCE, KINREI, SHORYU, DAIBU, YULIN, TOYOHI, HOKKA, NARUO, DAIYOKU, WAKO GO, JINJU, RAKUZAN, SEISHO, IKOMASAN, KAIKO, OAKITA, YOSHUN, HIROTA and NINGPO MARUs.

21 April 1944:
At 1000, the convoys split. Ore convoy TE-03 with CD-1 and KAZAN MARU head for Yulin, Hainan Island. Convoys TASA-17 and No. 82 with HATSUKARI and W-18 head for St Jacques.

23 April 1944:
At 1655, CD-1 and convoy TE-03 arrive at Yulin.

30 April 1944:
At 1700, CD-1 and auxiliary gunboat KAZAN (HUASHAN) MARU departs Yulin for Yawata, Kyushu escorting renumbered convoy TE-04 consisting of iron ore carriers KINREI, YULIN, SHORYU, DAIYOKU, TOYOHI and DAIBU MARUs.

3 May 1944:
Minelayer MAESHIMA joins the escort.

4 May 1944:
At 0008, LtCdr Donald F. Weiss' (USNA ’29) USS TINOSA (SS-283) torpedoes and sinks TOYOHI MARU at 20-50N, 118-00E. At 0106, LtCdr Anton R.Gallaher's (USNA ’33) USS BANG (SS-385) torpedoes and sinks KINREI MARU at 20-50N, 117-55E. At 0113, Weiss' USS TINOSA torpedoes and sinks DAIBU MARU at 20-50N, 117-55E. At about 0300, LtCdr (later Vice Admiral/MOH) Lawson P. Ramage's USS PARCHE (SS-384) torpedoes and sinks SHORYU and DAIYOKU MARUs at 20-50N, 117-55E. There are fairly heavy casualties: TOYOHI MARU sinks with 16 gunners, 15 watchmen and 56 crewmen, KINREI MARU with six crewmen KIA; DAIBU MARU with one gunner only missing, presumed drowned after KAZAN (HUASHAN) MARU took the crew off and unsuccessfully attempted to tow the wreck; SHORYU MARU with two gunners, 20 passengers and 42 crewmen KIA and DAIYOKU MARU with 15 gunners, two passengers and 20 of the crew KIA.

7 May 1944:
The remnants of convoy TE-04 arrive at Takao, Formosa.

9 May 1944:
CD-1 joins convoy TE-05 consisting of YAMADORI, HIYORI, HIOKI, KOKUSEI, HIKACHI, NICHIWA, SHONAN MARUs and KYOEI MARU No. 2 also escorted by the destroyer ASAGAO, kaibokan CD-8, CD-20 and auxiliary netlayer KAINAN MARU.

13 May 1944:
YAMADORI MARU is detached from convoy for Hong Kong.

14 May 1944:
Arrives at Yulin.

19 May 1944:
CD-1 departs Yulin in convoy HO-01 consisting of SHONAN MARU and five unidentified merchant ships also escorted by kaibokan CD-8, CD-20 and auxiliary netlayer KAINAN MARU.

26 May 1944:
Arrives at Singapore.

3 June 1944:
At 1000, CD-1 departs Singapore for Moji with minelayer AOTAKA and kaibokan CD-8, CD-15 and CD-20 escorting bauxite convoy HO-02 consisting of NASUSAN, TAMAHOKO, TAINAN, KENNICHI, SHONAN, TEIHOKU (ex French PERSEE), NICHIWA and HIOKI MARUs and KONAN MARU No. 1 and ten unidentified ships.

6 June 1944:
160 miles off Cape St. Jacques, Indochina. LtCdr (later Cdr) James W. Davis' (USNA ’30) USS RATON (SS-270) attacks the convoy. At 2225, Davis torpedoes CD-15. She breaks in two and sinks S of Nishinotorishima Island at 08-57N, 109-17E. 104 crewmen are KIA. CD-8 and CD-20 rescue 34 survivors. The escorts counter-attack. USS RATON is damaged by depth charges, but remains on patrol.

11 June 1944:
Arrives Manila.

14 June 1944:
Departs Manila.

20 June 1944:
CD-1 departs Takao for Moji with an unidentified kaibokan, minelayer and whaling ship escorting convoy HO-02 consisting of NASUSAN, TAMAHOKO, KENNICHI and TAINAN MARUs and eight other unidentified ships. TAMAHOKO MARU is carrying 772 Allied POWs from camps at Batavia, Java, including 42 American POWs.

24 June 1944:
Koshiki Straits, 40 miles SW of Nagasaki, Kyushu. At 2350, LtCdr (later Rear Admiral-Ret) Richard H. O’Kane’s (USNA ’34) USS TANG (SS-306) attacks the convoy. At 2354, Kane torpedoes and sinks NASUSAN, TAMAHOKO, KENNICHI and TAINAN MARUs at 32-24N, 129-38E. NASUSAN MARU sinks with 11 crewmen KIA; KENNICHI MARU with two gunners and 34 crewmen KIA; and on TAINAN MARU 39 crewmen were killed together with an unknown number of the 454 repatriates from Formosa that were onboard. The whaling ship picks up some survivors from TAMAHOKO MARU, but 560 POWs are lost including 15 American soldiers and sailors and 33 of the Japanese crew as well as two ship's gunners. CD-1 attempts to counterattack, but is not fast enough to pursue USS TANG.

26 June 1944:
At 1400, the remainder of convoy HO-02 arrives at Moji.

6 July 1944:
At 1245, CD-1 departs Miike, Kyushu for Takao, Formosa with destroyer HATSUSHIMO, kaibokan CD-22 and minesweeper W-34 escorting convoy MOMA-02 consisting of SEATTLE, SHOZAN, JINZAN, TOKUSHIMA, HIYAMA, KOKKA, YASUKUNI, TENSHIN, MITSUKI, MANTAI and RYOFU MARUs and four unidentified merchant ships.

12 July 1944:
Arrives at Takao.

14 July 1944:
At 1900, CD-1 departs Takao for Manila with kaibokan KUSAGAKI, CD-22 and minelayers MAESHIMA, ENTO and minesweeper W-34 escorting convoy TAMA-21C consisting of MANTAI, MITSUKI, JINSAN, SEATTLE, YASUKUNI, TENSHIN, YAMATAMA, SAINEI, HIYAMA, KOKKA, TOKUSHIMA, SHOZAN and SHOEI MARUs and tankers SHONAN, MITSU, AYAGIRI and AYAZONO MARUs and three unidentified merchant ships.

16 July 1944:
At 0946, LtCdr Harold E. Ruble's (USNA ’33) USS PIRANHA (SS-389) torpedoes and sinks SEATTLE MARU at 19-17N, 120-15E. The transport is carrying 4,285 IJNAF personnel. 45 crewmen, 25 gunners and 296 passengers and troops are KIA. HIYAMA and SHOZAN MARUs rescue the survivors.

Over the next six hours, Captain (later Rear Admiral-Ret) William V. O'Regan’s (USNA ’23) wolf pack, nicknamed the "Mickey Finns", consisting of LtCdr Duncan C. MacMillian's (USNA ’26) USS THRESHER (SS-200), LtCdr (later Rear Admiral) Novell G. Ward's (USNA ’35) USS GUARDFISH (SS-217) and Ruble's USS PIRANHA closes in and decimates the convoy.

At 2300, MacMillian's USS THRESHER torpedoes and sinks SAINEI MARU at 18-53N, 119-32E. 21 troops and passengers on board, and three crewmen are KIA. At 2350, Ward's USS GUARDFISH torpedoes and sinks JINZAN MARU. 38 troops, one passenger, seven gunners, two watchmen and three crewmen are killed – a total of 51 dead. Two minutes later, Ward torpedoes and sinks MANTAI MARU. 72 military passengers and 43 crewmen are KIA.

17 July 1944:
The attacks continue. At 0034,Ward's USS GUARDFISH torpedoes and sinks HIYAMA MARU. The ship was loaded with 2 companies of an Army group totaling 101 troops, of whom four along with four of the crew were KIA. W-34 and CD-1 rescue survivors. At 0345, MacMillian's USS THRESHER torpedoes and sinks SHOZAN MARU at 18-50N, 119-43E. 24 Gunners, 125 troops, 500 AZUSA MARU survivors and 64 crewmen are killed.

19 July 1944:
At 1920, convoy TAMA-21C arrives at Manila.

23 July 1944:
Manila. At 1545, CD-1 with kaibokan CD-18, CD-28, torpedo-boat SAGI, minelayer ENOSHIMA, minesweeper W-17 and subchaser CH-61 depart Manila for Moji escorting convoy MI-08 consisting of MIZUHO, MANILA, ARABIA, TATSUBATO, RYUSHO, HAKUROKU and MIRI MARUs and tankers SAN DIEGO, SAN LUIS, NITTETSU, TAKETSU (BUTSU), CHIHAYA, RYUSHO and SANKO (YAMAKO) MARUs. The convoy speed is 8 knots.

27 July 1944:
At 0920, auxiliary subchaser CHa-74 and auxiliary transport OYO MARU join the escort. At 1605, the convoy arrives at Takao and is again reorganized.

28 July 1944:
At 2000, CD-1 departs Takao with CD-11, MIKURA, KURAHASHI, HIRADO escorting convoy HI-68 consisting of oilers ITSUKUSHIMA, TOA, TOHO and SHINPO MARUs and NICHINAN MARU No. 2 and IJA landing craft depot ships TAMATSU and MAYASAN MARUs and transports NOSHIRO, KASHII and NISSHO MARUs.

29 July 1944:
CD-1 is detached to Kirun and later returns to Takao.

30 July 1944:
At 1800, CD-1 departs Takao with CD-18, torpedo-boat SAGI, minesweeper W-17 and auxiliary netlayer KISHIN MARU escorting convoy MI-08 consisting of ZUIHO, CHIHAYA, SAN DIEGO, SAN LUIS, BOKO, MANILA, SANKO, TSUYAMA, ARABIA, RYUSHO, MIRI, TATSUBATO, NITTETSU, YAGI, TOUN and EIHO MARUs. The convoy's speed is 7 knots.

1 August 1944:
At 1400, the convoy arrives at Keelung after it is suspected that enemy submarines had gained contact.

4 August 1944:
At 1600, the convoy departs Keelung and heads up the Ryukyu Islands bound for Kyushu.

9 August 1944:
N of Okinoshima. LtCdr (later Cdr) Robert A. Keating's (USNA ’33) USS BARBEL (SS-316) torpedoes and sinks YAGI MARU with casualties of 3 gunners and 31 crewmen KIA, and BOKO MARU (ex-British SAGRES) with unknown casualties, at 27-56N, 128-47E. CD-1 and W-17 carry out an antisubmarine sweep and drop 21 depth-charges that cause some damage to USS BARBEL. Afterwards, the convoy heads out of the area at full speed making evasive movements. At 1200, the convoy arrives at Koniya, Amami-O-Shima.

11 August 1944:
At 0400, the convoy departs Amami-O-Shima.

13 August 1944:
Arrives at Moji.

25 August 1944:
CD-1 departs Moji for Singapore with escort carrier UNYO, light cruiser KASHII and kaibokan CHIBURI, CD-13, CD-19, CD-21 and CD-27 escorting convoy HI-73 consisting of IJA landing craft depot ship KIBITSU MARU, ex-armed merchant cruiser GOKOKU MARU, ex-seaplane tenders KAGU and SANUKI MARUs, tankers TOHO, OMUROSAN, OTOWASAN, TAIHO, FUJISAN, HAKKO, AMATO, TOA and KUROSHIO MARUs and fleet storeship IRAKO. Later that day, the convoy is joined briefly by transports MIZUHO, ARABIA and KOKURYU MARUs and tanker MANEI MARU that all depart the following day.

26 August 1944:
MANEI MARU remains at Kyushu because of engine problems.CD-1 is detached and heads for Sasebo.

31 August 1944:
At 0400, CD-1 departs the Terajima Strait, NW Kyushu with CD-3 and C-5 escorting convoy MOTA-25 consisting of MIZUHO, KOKURYU and ARABIA MARUs.

3 September 1944:
At 1630, the convoy arrives at Keelung, Formosa.

5 September 1944:
At 1900, CD-1 with destroyers HATSUHARU and HIBIKI, kaibokan CD-3, CD-7, CD-8, torpedo-boat HIYODORI, minesweeper W-20, subchaser CH-63 and auxiliary subchaser CHa-67 depart Takao for Manila escorting convoy TAMA-25 consisting of KOGYO, EIJI, MANSHU, EIMAN, ATSUTA, EKKAI, NANREI, ROZAN, EIMAN, TOYOOKA and HOKUSEN MARUs. Previously known as MOTA-23, this convoy was enroute to Takao before being diverted to Keelung. The convoy is carrying reinforcements, equipment and ammunition for the defense of the Philippine Islands.

6 September 1944:
At 0230, KOGYO MARU develops engine troubles and turns back. At about 0423, EIJI MARU carrying units of the Kwantung Army's 8th. Infantry Division and 2nd Tank Division, strikes a mine at 22-19N, 120-30E. HIBIKI comes alongside to assist, but also strikes a mine that severely damages her bow. She returns to Takao. At about 0500, EIJI MARU is ordered abandoned. At 0800, there is another explosion and EIJI MARU sinks. 617 men are KIA. The convoy withdraws to nearby Tungchiang. EIMAN MARU suffers engine troubles and also returns to Takao.

9 September 1944:
43 miles NW of Calayan Island. At about 0315, TOYOOKA MARU is torpedoed by LtCdr (later Rear Admiral) Charles E. Loughlin's (USNA ’33) USS QUEENFISH (SS-393). She sinks five minutes later at 19-45N, 120-55E. 1,036 soldiers and nine crewmen are killed. At 0319, MANSHU MARU is hit by a torpedo from QUEENFISH and sinks by the stern. She was carrying 1,492 men of the 42nd Infantry Regiment, plus her crew. 900 are killed. At 2120, the convoy seeks temporary shelter at Aparri. At 2250, the convoy departs hugging the coast.

10 September 1944:
CD-1 is reassigned to the General Escort Command’s 11th Coast Defense Group.

12 September 1944:
At 1930, convoy TAMA-25 anchors at Santa Cruz.

13 September 1944:
At 1940, the convoy arrives in Subic Bay. It is learned the Americans have been attacking the Visayas in the Central Philippine Islands since 12 September.

14 September 1944:
At 0325, because of the danger of attacks in Manila, the convoy raises anchors and heads back north. At 1500, it arrives back at Santa Cruz. For the next two days the convoy remains on standby,

17 September 1944:
At 0655, the convoy departs. At 1850, it arrives again at Subic Bay.

18 September 1944:
At 0610, the convoy departs and arrives at Manila at 1610.

19 September 1944:
At 0800, CD-1 departs Manila for Cebu, Philippines with kaibokan SADO, CD-3, CD-5 and CD-7 and minelayer ENOSHIMA escorting convoy MATA-27 consisting of SURAKARUTA, YUKI, HOFUKU (TOYOFUKU), SHICHIYO and NANSEI MARUs and OGURA MARU No. 1. That evening, the convoy arrives and anchors at Subic Bay.

21 September 1944:
Departs Subic Bay. At 1028, N of the Masinloc Sea, about 40 carrier-based aircraft of Vice Admiral (later Admiral) Marc A. Mitscher’s (USNA ’10) Task Force 38 attack the convoy and sink HOFUKU MARU. The ship is carrying POW's and of 1287 on board, 907 are KIA along with 11 crewmen and possibly up to 144 Japanese passengers. At 1056, a second raid begins. OGURA MARU No. 1 is bombed about 1130 and later abandoned.5 crewmen are KIA. At 1515, a third raid by 40 aircraft begins. YUKI, SHICHIYO and NANSEI MARUs are bombed and set afire and later sink. Casualties are mixed, on YUKI MARU 54 crewmen are KIA, SHICHIYO MARU loses 20 crewmen KIA and NANSEI MARU has 12 gunners and 17 crewmen KIA. At 1634, a fourth raid begins. SURAKARUTA MARU is bombed and sunk. One crewman is KIA. At 1650, CD-5 is bombed and set afire and later explodes and sinks at 15-30N, 119-50E.

27 September 1944:
At 1700, CD-1 departs Takao for Moji with kaibokan CD-3, CD-7, auxiliary patrol boat OSEI MARU and auxiliary minesweeper TAISEI MARU escorting convoy TAMO-26 that consists of NIKKO, SEISHIN, CLYDE, HAKUSAN, MATSUURA, TAIJO, GASSAN, YOKO and BIYO MARUs and SS 6 (Kidotei).

28 September 1944:
At 1200, arrives at Keelung. Auxiliary patrol boat OSEI MARU is detached.

30 September 1944:
At 0730, departs Keelung.

6 October 1944:
At 1700, arrives at Moji.

22 October 1944:
At 1400, CD-1 departs Moji for Manila with kaibokan CD-3, CD-7 escorting convoy MOMA-06 that consists of GASSAN, ATLAS, DAITOKU, SHINSHO, KAKOGAWA, SEKIHO, TAIKEN, SEIWA, SHINFUKU and MIKAGE MARUs and an unidentified ship.

23 October 1944:
At about 0400, LtCdr (later Rear Admiral-Ret) John E. Lee’s (USNA ’30) USS CROAKER (SS-246) torpedoes and damages GASSAN MARU. Later, she is towed to Saishu Island by SHINFUKU MARU where 3500 troops are put ashore.

24 October 1944:
At about 0400, USS CROAKER torpedoes and sinks MIKAGE MARU. 27 crewmen are KIA.

27 October 1944:
At 1600, arrives at Keelung. TAIKEN MARU is detached.

30 October 1944:
At 07600, departs at Keelung.

31 October 1944:
At 1600, arrives at Takao. The convoy is reorganized. Some ships from convoy MOTA-27 join MOMA-06. The reconstitued convoy consists of HAMBURG, SHIMOTSU, ASOKAWA, TOTTORI, EIWA, ATLAS, DAITOKU, SHINSHO, KAKOGAWA, SEKIHO and SEIWA MARUs escorted by old destroyer KURETAKE, kaibokan CD-1, CD-3 and CD-7, mineweeper W-27, subchaser CH-41 and fleet supply ship KURASAKI.

1 November 1944:
At 1800, the convoy departs Takao for Manila.

2 November 1944:
At 2305, LtCdr John B. Hess’s (USNA ’37) USS POMFRET (SS-391) torpedoes and damages ATLAS MARU.

3 November 1944:
At 0435, Hess attacks ATLAS MARU again, but misses. At 0500, USS POMFRET also torpedoes and damages HAMBURG MARU. At 1850, one of the escorts scuttles her. Three of the 415 troops carried onboard, a gunner and 18 crewmen are KIA.

4 November 1944:
About 1330, ATLAS MARU finally goes aground. Torpedo boat SAGI arrives from Takao and joins the escort.

8 November 1944:
Off Cape Bolinaro, Luzon. LtCdr Guy E. O'Neil, Jr’s (USNA ’37) USS GUNNEL (SS-253) torpedoes and sinks SAGI. The convoy later arrives at Santa Cruz, Philippines. Warned of a typhoon in the area, the convoy departs the same day and arrives at Manila Bay at 2238.

9 November 1944:
At 0925, convoy MOMA-06 arrives at Manila harbor.

12 November 1944:
At 1800, CD-1 departs Manila for Takao with destroyer KURETAKE and kaibokan CD-3, and CD-7 escorting convoy MATA-32 that consists of NANKING MARU, UNKAI MARU No. 5 and fleet supply ship KURASAKI.

14 November 1944:
Off Cape Bolinao, Philippines. At 2218, LtCdr (later Rear Admiral-Ret) William T. Kinsella’s (USNA ’34) USS RAY (SS-271) torpedoes and sinks CD-7 at 17-46N, 117-57E. At 2225, LtCdr Maurice W. Shea’s (USNA ’37) USS RATON (SS-270) torpedoes and sinks UNKAI MARU No. 5. 43 crewmen are KIA.

15 November 1944:
At 0025, Shea’s USS RATON torpedoes and sinks KURASAKI at 17-27N, 117-43E.

17 November 1944:
At 1200, the remainder of the convoy arrives at Takao.

23 November 1944:
At 1530, CD-1 departs Takao with kaibokan CD-3, CD-8, CD-28, CD-54, old destroyer KURETAKE, andsubchasers CH-17, CH-18, CH-37 and CH-38 depart Takao escorting convoy TAMA-32A consisting of AKAGISAN, HAGIKAWA, SORACHI, JINYO, NICHIYO, SHOEI, WAYO, MINO, SHIROUMA and SHONAN MARUs and BANSHU MARU No. 6 and Kidotei SS No. 6. Anchors along the coast soon after leaving.

24 November 1944:
At 0400, departs Formosan coast.

25 November 1944:
At 2200, arrives at Musa Bay, Fuga Island.

27 November 1944:
At 0400, departs Musa Bay. At 1645, arrives at Lapoc Bay.

28 November 1944:
At 0600, departs Lapoc Bay. At 1800, arrives at N San Fernando.

29 November 1944:
At 0600, departs N San Fernando.

30 November 1944:
At 0500, arrives at Manila.

5 December 1944:
At 1157, CD-1 departs Takao with kaibokan DAITO, CD-34 and CD-134 escorting convoy TAMA-35 consisting of NISSHO, ORYOKU, ARIMASAN and KAZUURA MARUs. Later that day anchors at Chechung.

6 December 1944:
At 0058 departs and at 1815 anchors at Port San Pio Quinto, Camiguin Island.

8 December 1944:
At 0502, departs Port San Pio Quinto. At 1411, anchors at Calayan Island.

9 December 1944:
At 0817, departs Calayan Island.

11 December 1944:
At 2000, arrives at Manila.

14 January 1945:
CD-1 together with kaibokan YASHIRO, CD-130, CD 134 and CD-36, minesweeper W-21 and destroyer ASAGAO depart Takao in convoy TAMO-37 consisting of DAIKO, DAII, BRAZIL, DAIIKU and MELBOURNE MARUs and two unidentified merchant ships.

16 January 1945:
At 1800 DAIKO MARU suffers an engine breakdown and the ships temporarily anchor.

17 January 1945:
At 0530 departs anchorage and at 1626 anchored temporarily. BRAZIL MARU sets up a towline with DAII MARU and when the convoy resumes its journey tows DAII MARU.

19 January 1945:
At 1900 arrives at Ssu Chiao Shan.

20 January 1945:
At 0708 departs Ssu Chiao Shan.

23 January 1945:
At 1610 CD-130 drops depth charges on a suspected submarine contact without results. At 1750 CD-134 also attacks a suspected submarine contact. At 2015 the convoy arrives at Mutsure.

7 February 1945:
At 0600, CD-1 departs Moji for Singaore with kaibokan CD-130 and CD-134 escorting convoy HI-97 consisting of empty tankers RYOEI and PALEMBANG MARUs.

15 February 1945:
At 2200, arrives at Qui Sande Bay, Indochina.

16 February 1945:
At 0700, departs at Qui Sande Bay.

20 February 1945:
Arrives at Singapore.

3 March 1945:
Cap St. Jacques, Indochina. At 0730, convoy HI-98 arrives from Singapore enroute to Moji. The convoy consists of oilers PALEMBANG MARU and RYOEI MARUs and kaibokan CD-69, CD-130 and CD-134.

CD-1 and CD-130 join convoy HI-98's escort. At 0930, the convoy departs.

4 March 1945:
At 0930, LtCdr Benjamin C. Jarvis' (USNA ’39) USS BAYA (SS-318) fires six torpedoes at PALEMBANG and RYOEI MARUs. Those aimed at RYOEI MARU miss, but two torpedoes hit PALEMBANG MARU amidships. She explodes and sinks immediately at 12-52N, 103-30E. All nine passengers, 59 gunners and 67 crewmen are KIA. CD-69 and CD-134 remain behind and drop 47 depth-charges, but do not damage BAYA. At 2300, the convoy anchors at Tourane.

5 March 1945:
At 0600, CD-69 and CD-134 arrive at Tourane and rejoin the convoy that departs at 0700 for Samah, Hainan Island. At 1110, RYOEI MARU is torpedoed by LtCdr H. S. Simpson's (USNR) USS BASHAW (SS-241) at 16-46N, 108-41E and sinks within the hour. 19 crewmen, 19 gunners and 9 passengers are KIA.

19 March 1945:
CD-1 departs Singapore with destroyer AMATSUKAZE, kaibokan CD-18, CD-26, CD-33, CD-84, CD-130, CD-134, MANJU, subchasers CH-8, CH-9, CH-20, CH-33, cable-layer TATEISHI and auxiliary subchaser KAINAN MARU escorting convoy HI-88-I consisting of YAMAKUNI and HOSEN MARUs and MOTOYAMA MARU No. 1, TAKASAGO MARU No. 6, NANSHIN MARU No. 21, FUSHIMI MARU No. 2.

20 March 1945:
50 miles S of Camranh Bay, Indochina. At about 0100, convoy HI-88-J is attacked by LtCdr Benjamin C Jarvis' (USNA ’39) USS BAYA (SS-318). Jarvis torpedoes and sinks merchant KAINAN MARU with unknown casualties. CH-9 counterattacks USS BAYA and drops 21 DCs.

That same afternoon, at about 1720, the convoy is attacked by LtCdr (later Cdr) William H. Hazzard's (USNA ’35) USS BLENNY (SS-324). Hazzard torpedoes and sinks small oilers NANSHIN MARU No.21 with 14 crewmen KIA and HOSEN MARU with 170 passengers, eight gunners and 18 of the crewmen KIA.

21 March 1945:
Off Nha Trang, Indochina. Convoy HI-88-J is attacked by Fifth Air Force B-25 "Mitchell" medium-bombers of the 345 Bomb Group that bomb, strafe and sink CH-33, cargo vessels MOTOYAMA MARU No. 1 and FUSHIMI MARU No.2. The B-25's also damage CH-9, small oiler TAKASAGO MARU NO. 6 and cable-layer TATEISHI. MOTOYAMA MARU No.1 has 4 crewmen KIA, FUSHIMI MARU No.2 loses three crewmen and 11 others and TAKASAGO MARU No.6 has two passengers and five crewmen KIA.

One B-25 is lost. Four crewmembers are captured. One dies of injuries. Later, the Japanese decapitate the other three crewmen.

27 March 1945:
Nha Trang Bay. Convoy HI- 88I is absorbed into new convoy HI-88J. Additional escorts are added. HI-88J now consists of tankers HONAN, SARAWAK, ASOKAWA, KAIKO MARUs and probably NANSHIN MARU No. 30 escorted by CD-1, destroyer AMATSUKAZE, kaibokan MANJU, CD-18, CD-26, CD-84, CD-130, CD-134 and probably subchasers CH-9 and CH-20.

28 March 1945:
At 0800, departs Nha Trang Bay. At 1040, an air attack begins and ASOKAWA MARU is hit in the engine room and sinks. 92 passengers, eight gunners and 34 crewmen are KIA. MANJU and CD-84 rescue survivors. At 1220, LtCdr (later Captain) Eric L. Barr's (USNA ’34) USS BLUEGILL (SS-242) torpedoes HONAN MARU. 59 onboard are KIA. Her captain runs her aground. NANSHIN MARU No. 30 probably is detached.

29 March 1945:
At 0710, LtCdr Frank M. Smith's USS HAMMERHEAD (SS-364) torpedoes and sinks CD-84 at 14-40N, 109-16E. MANJU rescues some survivors. At 1130, another submarine attack coincides with an air attack and KAIKO MARU is bombed and sunk. 22 passengers, four gunners and 19 of the crew are KIA. At 2230, a further air attack damages CD-134.

30 March 1945:
At 1000, the escorts, now without a convoy, arrive at Yulin. Air attacks persist and at 1045 CD-26 is damaged by a bomb hit.The destruction of this convoy marks the end of the Singapore-Empire convoys.

31 March 1945:
CD-1 departs Yulin for Hong Kong.

2 April 1945:
Arrives at Hong Kong.

3 April 1945:
Hong Kong. USAAF Far East Air Force B-24 “Liberators” bomb the harbor and sink cargo ships HEIKAI MARU with the loss of two crewmen and SHOZAN MARU with the loss of eight crewmen and heavily damage kaibokan MANJU. She partially sinks at 22-17N, 114-10E.

4 April 1945:
At 1700, CD-1 departs Hong Kong for Shanghai en route to Moji with kaibokan CD-134, subchasers CH-20, CH-9 and destroyer AMATSUKAZE escorting convoy HOMO-03 consisting of TOKAI MARU No. 2 and KINE MARU.

5 April 1945:
Pinghai Bay, China. USN Martin PBM-5 "Mariner" maritime patrol flying boats attack convoy HOMO-03 and sink TOKAI MARU No. 2 at 22-24N, 116-10E. 16 gunners and 13 crewmen are KIA. Later, 5th Air Force B-24 "Liberators", B-26 "Marauders" and P-38 "Lightnings" attack the convoy and sink KINE MARU at 22-24N, 115-28E. 56 passengers, five gunners and 19 crewmen are killed. The convoy is dissolved. CH-9, CH-20 and CD-1 return to Hong Kong.

Hong Kong. That same day, Far East Air Force B-24s bomb and damage CD-1, fleet oiler KAMOI, CD-52 and subchasers CH-9 and CH-20 at 22-45N, 116-10E.

6 April 1945:
SSW of Amoy, China. Twenty-four USAAF B-25 “Mitchell” medium bombers of the 345th Bombardment Group attack convoy HOMO-03 and sink CD-1 and CD-134 at 23-55N, 117-40E. A total of 159 officers and sailors are lost. They also damage destroyer AMATSUKAZE at 24-30N, 118-10E. AMATSUKAZE's crew beaches the ship at the entrance to Amoy harbor, but later she sinks.

25 May 1945:
Removed from the Navy List.


Authors' Note:
Thanks for assistance go to Dr. Higuchi Tatsuhiro of Japan and Mr Gilbert Casse of France.

-Bob Hackett, Sander Kingsepp and Peter Cundall


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