KAIBOKAN!

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

IJN Escort CD-11:
Tabular Record of Movement

© 2006-2009 Bob Hackett, Sander Kingsepp and Peter Cundall


15 October 1943:
Kobe. Laid down at Mitsubishi Heavy Industries’ shipyard.

15 January 1944:
Launched and numbered CD-11.

15 March 1944:
Completed and registered in the IJN.

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

20 April 1944:
At 0600, CD-11 departs Moji-Mutsure for Singapore with kaibokan KURAHASHI, CD-10 and CD-20 escorting convoy HI-59 consisting of tankers OKIKAWA, NIPPPO, EIHO, OTORISAN, BAN-EI and NIYO MARUs and probably KINUGASA, NOSHIRO and TERITSU MARUs and also probably tanker NICHINAN MARU No. 2.

2 May 1944:
At 1200, HI-59 arrives at Manila and is dissolved.

29 May 1944:
At 0600, CD-11 departs Moji with escort carrier SHINYO, light cruiser KASHII, kaibokan AWAJI, CHIBURI and subchasers CH-19 and CH-60 escorting convoy HI-65 consisting of oilers SHIRETOKO, ITSUKUSHIMA, OMUROSAN, ZUIHO and TOHO MARUs, cargo liners ARIMASAN, MANILA, KASHII and TATSUWA MARUs and troop transport SHINSHU MARU. Light minelayer TSUBAME departs Moji later, catches up with the convoy, and joins the escort.

2 June 1944:
Bashi Strait. AWAJI is torpedoed by LtCdr (later Captain) Enrique D. Haskins' new USS GUITARRO (SS-363) and sinks near Yasho Island at 22-34N, 121-15E. CHIBURI and CD-19 rescue the survivors, but several die of their wounds.

LtCdr Albert L. Raborn's USS PICUDA (SS-382) fires two torpedoes at ARIMASAN MARU that cause her to collide with SHINSHU MARU's stern. This causes a depth charge explosion that kills about 70 men and causes rudder damage. KASHII takes SHINSHU MARU in tow. ARIMASAN MARU is lightly damaged in the attack and heads for Keelung, Formosa with KASHII and SHINSHU MARU.

3 June 1944:
Arrives at Keelung, Formosa.

4 June 1944:
ARIMASAN, MANILA, KASHII, TATSUWA and SHINSHU MARUs all detach for Manila. JINEI MARU joins convoy with CD-4.

12 June 1944:
Arrives at Singapore.

17 June 1944:
At 0400, CD-11 departs Singapore with light cruiser KASHII and kaibokans CHIBURI and CD-7 escorting fast convoy HI-66 consisting of transport/cargo liners SANUKI, HOKKAI and AWA MARUs and tanker OMUROSAN MARU. The convoy hugs the continental coast avoiding deep water as much as possible.

26 June 1944:
At 1300, arrives at Moji.

24 July 1944:
At 0600, CD-11 departs Manila for Moji with escort carrier KAIYO, kaibokans HIRADO (F), MIKURA, ISHIGAKI, KURAHASHI, CD-20 and torpedo boat HIYODORI escorting convoy HI-68. The convoy sails in three columns consisting of landing ship MAYASAN MARU, oilers OTORISAN MARU and NICHINAN MARU No. 2 and escort carrier TAIYO in column No. 1; landing ship TAMATSU MARU) and transports TOSAN, KASHII, NISSHO and AKI MARUs in column No. 2 and ex-seaplane tender KIYOKAWA MARU and oilers ITSUKUSHIMA, TOA, TOHO and SHIMPO MARUs in column No. 3.

A three-submarine wolf pack of Cdr (later Rear Admiral) Rueben T. Whitaker’s FLASHER, LtCdr Franklin Hess’s ANGLER (SS-240) and LtCdr (later Captain) Francis D. Walker’s CREVALLE (SS-291) tracks the convoy.

26 July 1944:
Off Luzon. The wolfpack attacks and sinks TOSAN, AKI and OTORISAN MARUs and damages KIYOKAWA MARU.

27 July 1944:
At 1100, arrives at Takao.

28 July 1944:
At 1800, departs at Takao.

3 August 1944:
Arrives at Moji.

10 August 1944:
CD-11 departs Imari Bay for Singapore with Rear Admiral (Vice Admiral, posthumously) Kajioka Sadamichi's (former CO of KISO) 6th Escort Convoy’s destroyers FUJINAMI and YUNAGI, kaibokans HIRADO, MIKURA, KURAHASHI, SHONAN and and escort carrier TAIYO escorting convoy HI-71 comprised of oilers AZUSA, TEIYO, EIYO, ZUIHO, KYOKUTO and NIYO MARUs and HAKKO MARU No. 2, fleet oiler HAYASUI, food-supply ship IRAKO, transports TEIA, AWA, NOTO, HOKKAI, TAMATSU, NOSHIRO and MAYASAN MARUs and cargo ships KASHII, NISSHO and ORYOKU MARUs.

15 August 1944:
HI-71 arrives at Mako, Pescadores. NIYO, HAKKO and ORYOKU MARUs and IRAKO are detached.

17 August 1944: Operation "SHO-1-GO" (Victory) - The Defense of the Philippines:
At 0800, in typhoon weather, HI-71 sorties from Mako for Manila. To strengthen HI-71's escort forces, old destroyer ASAKAZE and kaibokans SADO, MATSUWA and HIBURI arrive from Takao and kaibokan ETOROFU arrives from Saei, on orders of 1st Surface Escort Division.

18 August 1944:
At 0524, LtCdr Louis D. McGregor's USS REDFISH (SS-395) torpedoes and damages EIYO MARU. ASAKAZE and YUNAGI are detached to escort her back to Takao.

Off Cape Bolinao, Luzon. At 2210, LtCdr (later Captain) Henry G. Munson's USS RASHER (SS-269) torpedoes and sinks oiler TEIYO MARU in a surface radar attack. At 2222, Munson torpedoes and sinks carrier TAIYO at the rear of the convoy. At 2310, RASHER, still on the surface, hits transport TEIA MARU with three torpedoes using radar bearings. The ex-French liner is set afire and sinks.

19 August 1944:
The convoy splits into two groups. Just past midnight, RASHER, still running on the surface, closes on an eastbound group of three large ships and one escort. At 0033, LtCdr Munson puts two radar-directed torpedoes into the port sides of AWA and NOSHIRO MARUs. Both ships beach themselves near Port Currimao. LtCdr Charles M. Henderson's USS BLUEFISH (SS-222) and LtCdr (later Captain) Gordon W. Underwood's SPADEFISH (SS-411) join in the attack on HI-71. At 0320, BLUEFISH hits and sinks HAYASUI. SPADEFISH hits TAMATSU MARU with two torpedoes and the big landing craft depot ship rolls over and takes down 4,755 men. HI-71 makes for San Fernando.

21 August 1944:
Arrives at Manila.

25 August 1944:
At 1650, CD-11 departs Manila for Singapore with destroyer FUJINAMI, kaibokans HIRADO, MIKURA, KURAHASHI, and SubChaser CH-28 escorting convoy HI-71 consisting of AZUSA, KYOKUTO, HOKKAI, ZUIHO, KYOKUHO and AWA MARUs. At 1845, KYOKUHO MARU develops engine trouble and drops behind escorted by FUJINAMI. Later, they catch up with the convoy.

1 September 1944:
At 1356, arrives at Singapore.

6 September 1944:
At 0630, CD-11 departs Singapore for Moji with Rear Admiral Kajioka Sadamichi's (victor of Wake Island and former CO of KISO) 6th Escort Convoy Command’s destroyer SHIKANAMI, kaibokan HIRADO (F), KURAHASHI, MIKURA, CD-11 and auxiliary subchaser CHa-19 escorting fleet convoy HI-72 consisting of ASAMA, NANKAI, RAKUYO, ZUIHO, SHINCHO and KACHIDOKI MARUs (ex-PRESIDENT HARRISON).

11 September 1944:
S China Sea. 100 miles NE of the Paracel Islands. At 0910, convoy HI-72 is joined by unescorted convoy MAMO-03 consisting of transport KIBITSU, armed merchant cruiser GOKOKU and ex-seaplane tender KAGU MARUs.

12 September 1944:
S China Sea. E of Hainan, China. At 0155, Cdr Thomas B. Oakey’s USS GROWLER (SS-215) torpedoes and sinks flagship HIRADO at 17-54N, 114-59E. Rear Admiral Kajioka goes down with the ship. He is promoted Vice Admiral, posthumously. At 0500, LtCdr (later Vice Admiral) Eli T. Reich’s USS SEALION (SS-315) torpedoes RAKUYO MARU, but she stays afloat for another 13 hours, sinking at 1820 that evening. She is carrying 1,318 Allied POWs, of whom 1,051 are lost. Reich also torpedoes and sinks NANKAI MARU.

240 miles south of Hong Kong. At about 0700, SHIKINAMI is torpedoed by GROWLER and sinks at 18-16 N, 114-40 E. MIKURA rescues eight officers and 120 men. At 2300, LtCdr Paul E. Summers' USS PAMPANITO (SS-383) torpedoes and sinks KACHIDOKI MARU with 950 Allied POWs aboard of whom 431 are lost. PAMPANITO also sinks ZUIHO MARU. The Japanese rescue a few POWs from the two prison ships. The survivors are transferred to KIBITSU MARU.

13 September 1944:
Arrives at Samah, Hainan Island.

15 September 1944:
Arrives at Yulin, Hainan Island. The convoy is reorganized. KURAHASHI is detached.

16 September 1944:
Departs Yulin.

20 September 1944:
Off Formosa. At 0110, USAAF B-24 "Liberator" heavy bombers attack the convoy’s first echelon (Moji-bound) at 23-20N, 119-12E. GOKOKU MARU is damaged by a direct hit and ASAMA MARU suffers a near miss aft. Both are towed into nearby Mako for repairs. KAGU MARU suffers hull damage by near-misses. Kaibokan MIKURA is damaged and towed to Mako by CD-18. The bombers also damage cargo vessels ASAKA and SHINCHO MARUs. KAGU MARU heads for Takao for repairs escorted by CD-11, CD-10 and CD-20.

25 September 1944:
At 1300, departs Takao.

28 September 1944:
Arrives at Moji.

12 October 1944:
At 0700, CD-11 departs Woosung, E of Shanghai, for Manila with Rear Admiral Matsuyama Mitsuharu’s (former CO of KITAKAMI) 7th Convoy Escort Group’s kaibokans SHIMUSHU (F), OKINAWA and CD-13 escorting convoy MOMA-04 consisting of transports NOTO, KINKA, KASHII and TAKATSU MARUs carrying the IJA’s 1st Division's main body of about 10,000 men plus equipment.

19 October 1944:
Shushan Islands. ASAMA MARU carrying 5,000 troops escorted by kaibokan OKINAWA arrive from Shanghai and join convoy MOMA-04.

20 October 1944:
At 0230, convoy MOMA-04 departs the Shushan Islands.

26 October 1944:
At 2315, the convoy arrives at Manila.

31 October 1944: Operation “TA No. 2”:
CD-11 departs Manila with Rear Admiral (later Vice Admiral) Kimura Masatomi's (former CO of SUZUYA) kaibokan SHIMUSHU (F), OKINAWA and CD-13 escorting transports NOTO, KINKA, KASHII and TAKATSU MARU.

2 November 1944:
Early in the morning the convoy is attacked by Lockheed P-38 "Lightning" fighter-bombers. During the attack all kaibokan stream kites loaded with explosives as an AA measure, the first time this weapon is used in action. In the afternoon, the convoy is attacked by two dozen B-24 "Liberator" heavy bombers. NOTO MARU suffers a near miss that causes her to flood and sink.

4 November 1944:
The convoy arrives back in Manila Bay.

5 November 1944:
Manila Bay. Aircraft of Rear Admiral (later Admiral) Frederick T. Sherman's (former CO of LEXINGTON, CV-2) Task Group 38.3 [USS LEXINGTON (CV-16), ESSEX (CV-9) and LANGLEY (CVL-27)] attack warships and auxiliaries in the bay and damage OKINAWA.

8 November 1944: Operation "TA Go No. 4":
At 1030, TAKATSU (KOSHIN), KINKA and KASHII MARUs, carrying 10,000 men of the 26th Infantry Division and 3,500 tons of munitions, depart Manila into typhoon seas escorted by CD-11, CD-13 and Rear Admiral Matsuyama's kaibokan OKINAWA and Admiral Kimura's destroyer screen of KASUMI (F), USHIO, AKISHIMO, ASASHIMO, NAGANAMI and WAKATSUKI. All proceed under cover of the storm to Ormoc Bay, Luzon.

9 November 1944:
13th Air Force North American B-25 “Mitchell” medium bombers and P-38 “Lightning” fighter-bombers damage kaibokan SHIMUSHU and OKINAWA. In the evening, the convoy arrives at Ormoc Bay.

10 November 1944:
N of Cebu. The convoy is attacked by P-38s from Morotai and B-25s from Leyte. About 1140, during the second attack of the day, OKINAWA is bracketed by near misses and strafed by B-25 bombers while KASHII MARU is damaged and TAKATSU MARU blows up after a bomb hit.

In the same attack, CD-11 is set afire and has to be beached. She is later scuttled by CD-13 at 10-51N, 124-32E.

10 January 1945:
Removed from the Navy List.


Authors' Note:
Thanks go to Dr. Higuchi Tatsuhiro of Japan.

-Bob Hackett, Sander Kingsepp and Peter Cundall


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