American destroyer USS Monaghan DD-354 1933-1944

Clemson-class type. Warshipsresearch.blogspot.com

USS Aylwin, Farragut-class. Warshipsresearch.blogspot.com

USS Porter, Porter-class. ©Warshipsresearch.blogspot.com

Part of Farragut-class preceded by Clemson-class succeeded by Porter-class. Together with the Portland-class authorized by the Congress on 29 April 1916 although without the necessary funding, causing a seriously delay in actual building. Laid down by Boston Navy Yard on 21 November 1933, launched on 9 January 1935, commissioned on 19 April 1935 and lost in the Typhoon Cobra while underway from Hawaii towards Ulithi, Caroline Islands on 18 December 1944. 

Japanese submarine I 48 1943-1945

©Warshipsresearch.blogspot.com

Part of Typ C. Identical I 46, I 47 and I 48 ordered as No. 376, 377 en 378 under the Maru Kyu Programme. Preceded by Junsen Type B and succeeded by Type D/Sen’yu-Dai Type. Boat No. 378. Laid down by Sasebo Naval Arsenal on 19 June 1943, launched on 12 December 1943, completed on 5 September 1944, converted into a mother ship for 4 Kaiten end 1944 and sunk by the American John C. Butler class destroyers escorts USS Corbesier and Conklin at Ulithi, Caroline Islands on 23 January 1945. 

Australian Royal Airforce attacked Japanese bases in the Caroline Islands according to the U.S. Joint Intelligence Committee. Daily summary dated 4 January 1942

An item reported that the Australian Royal Airforce (R.A.A.F.) attacked Japanese bases in the Caroline Islands.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 25 dated 4 January 1942 

Japanese naval forces in the Philippines-Dutch East Indies area to be strenghtened according to the U.S. Joint Intelligence Committee. Daily summary dated 20 January 1942

An item reported that there were strong indications that the Japanese naval concentration at Truk was to be added to the 2nd and 3rd Fleets active in the Philippines-Dutch East Indies area. Kure and Bako served for this purpose as convoy centers. Other convoy centers were Sasebo and Camranh Bay for Malaya and Yokosuka for the Mandates.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 41 dated 20 January 1942

Japanese aircraft attacked Rabaul, New Britain according to the U.S. Joint Intelligence Committee. Daily summary dated 21 January 1942

An item reported that Rabaul, New Britain Island [Papua New Guinea] was attacked by at least 100 Japanese aircraft damaging the airdrome with her installations heavily. A carrier division early positioned in the Truk area, Caroline Islands probably supported the attack.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 42 dated 21 January 1942

Japanese cargo ship (ex-Virgilia 1918-1925, Corby Castle 1925-1928, Tatsuha Maru 1928-1937) Tatuha Maru 1937-1944

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Similar Tokusima Maru-Kuwayama Maru-Siraha Maru-Tatuha Maru-Tottori Maru. Call sign JAUC. Launched by Kingston Yard, Russell&Co., Port Glasgow, Scotland with yard number 707 on 27 September 1918, completed in November 1918, chartered by army as troop transport between 1937-1938 and again in 1942, sunk in an USA air attack (Operation Hailstone) 40 miles west of Truk, Caroline Islands underway with troops from Yokohama, Japan to Truk.

Gross tonnage 5,784 tons, under deck5,383 tons, netto tonnage 3,607 tons and as dimensions 423.3 x 56.0 x 28.7 x 10 (light)-25 (loaded) feet. Reciprocating propulsion, single screw, horsepower 556 nhp/3,203 ihp, bunker capacity 2,300 tons, range 15,000 nautical miles/10 knots and speed 10 (normal cruising)-12 (maximum) knots. 

Japansese CinC 4th Fleet was at Truk according to the U.S. Joint Intelligence Committee. Daily summary dated 19 December 1941

An item referred to the Australian Naval Board reporting that the Japansese CinC 4th Fleet was now at Truk.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 9 dated 19 December 1941.

Japanese seaplanes sighted around Kapingamaranei Island according to the U.S. Joint Intelligence Committee. Daily summary dated 22 December 1941

An item referred to the Australian Naval Board reporting that during reconnaisance of flights enemy seaplanes were sighted patrolling around the Kapingamaranei (Greenwich Island, nowadays Kapingamarangi, Pohnpei State, Caroline Islands, Federates States of Micronesia). Australian aircraft flew over the island on 18 December. Possible was a Japanese seaplane carrier active between Kapingamaranei and Nissan (Solomon Group).

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 12 dated 22 December 1941.

American submarine sunk two Japanese tankers according to the U.S. Joint Intelligence Committee. Daily summary dated 6 April 1942

An item reported that an American submarine sunk two Japanese tankers south of Truk (Carolines).

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 117 dated 6 April 1942.

Japanese seemed to develop Ponape, Caroline Islands into a submarine baseaccording to the U.S. Joint Intelligence Committee. Daily summary dated 3 April 1942

An item reported that the Japanese seemed to develop Ponape, Caroline Islands into a submarine base. The J.I.C. commented that Jaluit was the major submarine base and since the US Navy attacked the Marshall Islands the submarine activities decreased and that the Ponape are was considered as to be more secure.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 114 dated 3 April 1942.

Japanese cargo ship Omi Maru 1912-1942

Call sign JCFA. Gross tonnage 3,393 tons, under deck 2,973 tons, net tonnage 2,041 tons, deadweight 2,600 tons and as dimensions 345.5 x 46.3 x 25.5 x 9.6 (light)-23 (loaded) feet, Reciprocating propulsion, 456 nhp/3,181 ihp, 93 rpm/15 knots, coal bunker capacity 990 tons, range 13,500 nautical miles/13 knots and speed 13 (normal) cruising-15 (maximum) knots. Launched by Napier&Miller Ltd., Old Kilpatrick with yard number 183 on 30 April 1912 and torpedoed by the American submarine USS Triton east outh east of Ponape, Carolines on 28 December 1942. 

Japanese passenger-cargo ship (ex-Matsuye Maru 1921-1938) Matue Maru 1938-1944

Call sign JOFD. Built by Yokohama Dock Co., Yokohama, Japan in April 1921. Sunk by the American submarine USS Harder (SS-257) serving as an army transport 150 miles north west of Woleai, Carolines on 17 April 1944. Gross tonnage 7,061 tons, under deck 6,450 tons, net tonnage4,58 tons and dimensions 445.0 x 58.0 x 34.0 x 9 (light)-27 (loaded) feet. Reciprocating propulsion. Fitted out for deep tanks for carrying oil in bulk. 

German survey vessel SMS Planet visited the Dutch East Indies in 1910

The Jaarboek van de Koninklijke Nederlandsche Zeemacht 1910-1911 reported that the German survey vessel SMS Planet visited Makasser between 23-25 October 1910 and Ambon, Dutch East Indies between 28-30 October 1910. The newspapers did not mention this visit. According to the Bataviaasch nieuwsblad dated 29 December departed she with the Embden and Nürnberg to Ponape to investigate the murder of German servants during the uprising in the Carolines as a result of new road construction.(1)

Note

1. Launched by AG Weser, Bremen, Germany on 2 August 1905, commissioned on 16 November 1905, in 1914 serving in the German North Pacific Islands and scuttled off Yap part of the Caroline Islands to prevent capture by Japan.

German screw steam gunboat SMS Jaguar visited the Dutch East Indies in 1899

Dutch screw steamship Hr.Ms. Borneo

NIMH-Beeldbank

SMS Jaguar

Source

The Jaarboek van de Koninklijke Nederlandsche Zeemacht 1898-1899 reported that the German cruiser 3rd class SMS Jaguar (1) visited Makasser between 22-26 August and Ambon, Dutch East Indies in end August 1899. The Dutch newspaper Soerabaijasch handelsblad dated 15 August reported her arrival on 6 August at Singapore and her departure on 13 August towards Makassar. The Bataviaasch nieuwsblad dated 21 August reported that the Zr.Ms. Borneo (2) part of the Java-division departed last Friday in all hurry towards New Guinea. The reason was that German occupied the Carolines-Ladrones islands (3) for which purpose the German gunboat Jaguar recently left Singapore passing Makasser. The Borneo was to prevent a possible German ocupation of the Mapia-islands. She was described as one of the finest ships of the Indische marine and heavier armed than the Jaguar. Due to engine problems she was towed back before arriving at New Guinea.

Notes

1. Part of the Iltis-class, laid down as Ersatz Hyäne by Schichau-Werke, Danzig, German with yard number 231 in early 1898, launched on 19 September 1898, commissioned on 4 April 1899 and scuttled in the German Chinese Kiautschou Bay-concession (Tsingtao) to prevent capture by Japanese forces on 7 November 1914. Armament consisted of 4-8.8cm/3.5” L/30 quick firing guns and 6 machine guns.

1. Screw steam ship 4^th class, built by J.&G. Thompson, Clydebank, Glasgow, Scotland in 1891 using the British Goldfinch-design, commissioned on 21 July 1893, surve vessel since 1906, decommissioned and condemned on 1 January 1913 and used as accommodation ship for native sailors. Armament consisted of 6-10.5cm A gus, 1-7,.5cm gun, 4-3.7cm guns and 1-7.5cm mortar.

2. Carolines Islands is an archipelago north of New Guinea, nowadays divided between the Federal States of Micronesia and Palau, part of the Spanish empire and sold with the Northern Marianas in 1899 under the German-Spanish Treaty to Germany. 

Japanese screw steam cargo ship Taihosan Maru 1937-1943

Call sign JCBM. Built by Tama Zosensho Ld., Tama, Japan. Gross register tonnage 1.805 tons, net tonnage 982 tons, deadweight 2.420 tons and as dimensions 264.5 x 38.1 x 20.0 feet. Sunk while used as a water carrier off Ponape, Carolines by the American submarine USS Plunger (SS-179).

Japanese cargo ship Kamikaze Maru 1937-1944

Call sign JZKL. Gross tonnage 4.916 tons, net tonnage 2.954 tons and as dimensions 369.8 x 54.1 x 29.2 feet. Built by Osaka Iron Works Ltd., Osaka, Japan in 1937. Used as torpedo transport annex repair ship when sunk during an American air attack on the Carolines on 30 March 1944. Owned by Todai Kisen K.K., Osaka, Japan.

Japanese single screw cargo ship (ex-Shoho Maru 1936-1938) Syoho Maru 1938-1943

Built by Mitsui Bussan Kaisha Ltd., Tama in 1937. Owned by Shimatani Kisen K.K., Kobe, Japan. Call sign JONA. Gross tonnage 1.936 tons, under deck 1.620 tons, net tonnage 1.101 tons and as dimensions 274.5 x 40.0 x 21.0 feet. Sunk by the American submarine USS Greenling (SS-213) while used as a transport in the Eastern Carolines. With a coal bunker capacity of 360 tons and a speed of 10 knots was the range 3.800 nautical miles. Speed 10 (cruising)-12 (maximum) knots.

German survey vessel SMS Planet visited Dutch East Indies in 1910

An item reported that the German survey vessel Planet visited Poeloe Laoet, Dutch East Indies between 17-19 September 1910.

Launched by AG Weser, Bremen, Germany on 2 August 1905, commissioned on 16 November 1905 and scuttled off the island of Yap (Caroline Islands, Federate States of Micronesia) to prevent that Japanese naval forces would capture her on 7 October 1914. She was mainly active in the Bismarck Archipelago.

Source
Jaarboek van de Koninklijke Nederlandsche Zeemacht 1909-1910. 

Germany wanted to found wireless station in the Dutch East Indies according to the magazine Mitteilungen aus dem Gebiete des Seewesens dated 1914 No. 5

An item reported that the German cabinet was negotiating with the Netherlands for founding a wireless telegraph station on Sumatra, Dutch East Indies to secure communication with German East Africa and the Caroline Islands. If the communication with Togoland and Nauen stayed possible had all German colonies wireless contact with Berlin, Germany.(1)

Note
1. The Nauen Transmitter Station was founded on 1 April 1906 and in 1911 was foe the first time a radio link with Togoland achieved. 

Japanese submarine tender Heian Maru (1928) 1941-1944

Laid down as passenger-cargo ocean liner by Osaka Iron Works, Japan for account of Nippon Yusen (NYK) on 19 June 1929, launched on 16 April 1930, completed on 24 November 1930, purchased by the Japanese navy on 3 October 1941, conversion into a submarine tender started second half of October 1941 by Mitsubishi Heavy Industries, Kobe, sunk by American aircraft on 18 February 1944 in the Chuuk Lagoon, Caroline Islands and stricken on 31 March 1944.

Technical details as a merchant ship. Part of the Hikawa Maru-class ocean liners consisting of the Hikawa Maru, Hiye Maru I (renamed 1938 Hie Maru) and Heian Maru. With a gross register tonnage of 11.615 tons were her dimensions 163,3 (over all) x 20,1 x 12,5 metres or 535.9 c 65.11 x 41.0 feet. The machinery consisted of 2 B&W-Ikegai diesels supplying via 2 shafts 13.404 bhp allowing a speed of 18,4 knots. Passenger accommodation 330 persons. Crew numbered 130 men. Armament as a submarine tender 4-15cm/5.9” cal 50 41st Year Type naval guns and 4-1,3cm anti aircraft guns.