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keltos01 · 09-30-08, 01:20 AM

Philippines :

a rather lackluster operation for the submarines... only two minelaying subs I23 and I 24 of squadron 6 were in support of the attack :
thier mission was to patrol the waters around Luzon to support air assault by rescuing japanese pilots shot down, and to lay mines. The I23 layed 40 mines at the east end of Manilla bay and the I24 layed 39 in Balabac straight between Palawan and Borneo. Only the I24 sank a small cargo ship on 10 December.

December 23-24, 1941
I-66 (Cdr. Yoshi tome) sank the Dutch submarine K-XVI (Lt. Cdr. L.J. Jarman) while it was returning from attacking Japanese shipping near Kuching.

Dutch East Indies : started Dec 26 1941.

I1 through I7 took part. They were to patrol their asigned areas to detect enemmy retreats or reinforcements and to attack any enemy ship sighted.

group A Java sea and Sunda straight (six fleet subs, two coastal subs, four minelaying subs)

group B Bay of Bengal (six fleet subs)

group C east coast of the Celebes then between java and Australia. (seven ocean cruising subs I1 through I7)

• January 4-9, 1942

The IJN's Subron 4 (Rear-Admiral Etuzo Yoshi tomi) submarines attacked shipping in the Netherlands East Indies.
I-57 (Cdr. Nakashima) sank one ship of 3077 tons and I-56 (Cdr. Ohashi) sank three ships of 7957 tons and torpedoed two more of 5065 tons south of Java.
I-58 (Cdr. Kitamura) sank one ship of 2380 tons in the Java Sea.
I-55, RO-33, and RO-34 are unable to sink any ships in the Anambas area.

January 9 - February 9, 1942
I-65 (Lt.Cdr. Harada) operated in the Java Sea and then off Rangoon and sank two ships of 6105 tons.
I-66 (Cdr. Yo****ome) operated in the Java Sea and then off Rangoon and sank three ships of 10530 tons
I-59 (Cdr. Yoshimatsu) sank one ship of 4184 tons south of Java and one unidentified ship near Sabang.
I-60 is sunk by the British Royal Navy (RN) HMS Destroyer Jupiter in the Sunda Strait on January 17.

Japanese submarine I-60

January 21-25. 1942
I-55, I-59, I-62, I-64, I-65, and I-66 formed a patrol line in the Ambon Sea to cover the Kendari Landings.

• February 4-18, 1942
I-55 (Cdr. Nakajima) sank one off Java and one ship near Makassar for a total of 6546 tons. The I-55 reported sinking two more ships, but these are unconfirmed.
I-56 (Cdr. Ohashi) sank one ship of 979 tons and another unidentified ship in the Sunda Strait.

• February 5-7, 1942
RO-34 (Lt.Cdr. Ota) encounters a Royal Navy force consisting of the HMS cruiser Exeter, HMS destroyers, Encounter and Jupiter, with the Royal Australian Navy cruiser (RAN) Hobart, NW of the Sunda Strait, but is unable to make a successful attack.
RO-34 also attacked and missed a Dutch Destroyer in the same area.

• February 9-17, 1942
The IJN deployed Subron 4 against the merchant ships loaded with refugees from Singapore, which are proceeding to Sumatra and Java. The merchant ships are escorted by the HMS cruiser Durban, the HMS destroyers Jupiter and Stronghold, and RAN corvettes.
I-55 (Lt. Cdr. Nakajima) sank the ammunition ship Derrymore (4799 tons) N. of the Sunda Strait.
I-56 (Cdr. Ohashi) torpedoed a ship from convoy JS.1 in the Sunda Strait.

Japanese submarine I-55

Japanese submarine I-53

Japanese submarine I-58

info found on : http://www.geocities.com/dutcheastindies/jap_subs.html

09-30-08, 01:20 AM	#12
keltos01 Silent Hunter Join Date: Feb 2008 Location: Milan Italy Posts: 4,999 Downloads: 114 Uploads: 18	The Philippines and Dutch East Indies operations Philippines : a rather lackluster operation for the submarines... only two minelaying subs I23 and I 24 of squadron 6 were in support of the attack : thier mission was to patrol the waters around Luzon to support air assault by rescuing japanese pilots shot down, and to lay mines. The I23 layed 40 mines at the east end of Manilla bay and the I24 layed 39 in Balabac straight between Palawan and Borneo. Only the I24 sank a small cargo ship on 10 December. December 23-24, 1941 I-66 (Cdr. Yoshi tome) sank the Dutch submarine K-XVI (Lt. Cdr. L.J. Jarman) while it was returning from attacking Japanese shipping near Kuching. Dutch East Indies : started Dec 26 1941. I1 through I7 took part. They were to patrol their asigned areas to detect enemmy retreats or reinforcements and to attack any enemy ship sighted. group A Java sea and Sunda straight (six fleet subs, two coastal subs, four minelaying subs) group B Bay of Bengal (six fleet subs) group C east coast of the Celebes then between java and Australia. (seven ocean cruising subs I1 through I7) • January 4-9, 1942 The IJN's Subron 4 (Rear-Admiral Etuzo Yoshi tomi) submarines attacked shipping in the Netherlands East Indies. I-57 (Cdr. Nakashima) sank one ship of 3077 tons and I-56 (Cdr. Ohashi) sank three ships of 7957 tons and torpedoed two more of 5065 tons south of Java. I-58 (Cdr. Kitamura) sank one ship of 2380 tons in the Java Sea. I-55, RO-33, and RO-34 are unable to sink any ships in the Anambas area. January 9 - February 9, 1942 I-65 (Lt.Cdr. Harada) operated in the Java Sea and then off Rangoon and sank two ships of 6105 tons. I-66 (Cdr. Yo***ome) operated in the Java Sea and then off Rangoon and sank three ships of 10530 tons I-59* (Cdr. Yoshimatsu) sank one ship of 4184 tons south of Java and one unidentified ship near Sabang. I-60 is sunk by the British Royal Navy (RN) HMS Destroyer Jupiter in the Sunda Strait on January 17. Japanese submarine I-60 January 21-25. 1942 I-55, I-59, I-62, I-64, I-65, and I-66 formed a patrol line in the Ambon Sea to cover the Kendari Landings. • February 4-18, 1942 I-55 (Cdr. Nakajima) sank one off Java and one ship near Makassar for a total of 6546 tons. The I-55 reported sinking two more ships, but these are unconfirmed. I-56 (Cdr. Ohashi) sank one ship of 979 tons and another unidentified ship in the Sunda Strait. • February 5-7, 1942 RO-34 (Lt.Cdr. Ota) encounters a Royal Navy force consisting of the HMS cruiser Exeter, HMS destroyers, Encounter and Jupiter, with the Royal Australian Navy cruiser (RAN) Hobart, NW of the Sunda Strait, but is unable to make a successful attack. RO-34 also attacked and missed a Dutch Destroyer in the same area. • February 9-17, 1942 The IJN deployed Subron 4 against the merchant ships loaded with refugees from Singapore, which are proceeding to Sumatra and Java. The merchant ships are escorted by the HMS cruiser Durban, the HMS destroyers Jupiter and Stronghold, and RAN corvettes. I-55 (Lt. Cdr. Nakajima) sank the ammunition ship Derrymore (4799 tons) N. of the Sunda Strait. I-56 (Cdr. Ohashi) torpedoed a ship from convoy JS.1 in the Sunda Strait. Japanese submarine I-55 Japanese submarine I-53 Japanese submarine I-58 info found on : http://www.geocities.com/dutcheastindies/jap_subs.html __________________ "Honorable Builder of Sinking Ships" Last edited by keltos01; 09-30-08 at 07:34 AM. Reason: no title