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Japanese cruiser Isuzu
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Japanese cruiser Isuzu
Isuzu (五十鈴) was the second of six vessels in the Nagara class of light cruisers, and like other vessels of her class, she was intended for use as the flagship of a destroyer flotilla. She was named after the Isuzu River, near Ise Shrine in the Chūbu region of Japan. She saw action during World War II in the Battle of Hong Kong and in the Solomon Islands campaign, and the Battle of Leyte Gulf before being sunk by American submarines in the Netherlands East Indies in April 1945.
Following the production of the five Kuma-class cruisers, an additional three 5,500-ton class light cruisers authorized under the 8-4 Fleet Program were ordered by the Imperial Japanese Navy in 1920. Due to minor changes in design, primarily due to advances in torpedo technology, these three vessels were initially designated as "modified Kuma-class", or "5500-ton class Type II", before being re-designated as a separate class named after the lead vessel, Nagara. A second set of three vessels was authorized in late 1920.
The Nagara-class vessels were essentially identical to the previous Kuma-class cruisers, retaining the same hull design, engines and main weaponry, with the addition of the new 610 mm Type 93 Long Lance Torpedoes, which required a larger launcher. However, in silhouette, a major difference from the Kuma class was in the configuration of the bridge, which incorporated an aircraft hangar. Initially, a 33-foot (10 m) platform was mounted above the No.2 gun mount, extending over the forward superstructure below the bridge. This was later replaced by an aircraft catapult. Even so, the arrangement proved unwieldy, and the catapult was moved to the rear of each ship in the class, between the No.5 and No.6 gun mounts during retrofits in 1929-1934. Isuzu underwent a number of wartime modifications to increase her number of anti-aircraft guns, and to replace her twin torpedo mounts with a pair of quadruple mounts aft, one each side. From May – September 1944, she was converted into a dedicated anti-aircraft cruiser, during which her entire 14 cm main battery and aircraft catapults were removed, and replaced by three twin-mount 12.7 cm/40 Type 89 naval guns, and a Type 94 high angle fire control system and Type 13 and Type 22 radars were added.
Isuzu was laid down on 10 August 1920, launched on 29 October 1921 and completed at the Uraga Dock Company on 15 August 1923. On 10 June, 1923 while conducting speed trials she sunk a fishing boat in a collision. From August to December 1928, she was under the command of Captain Isoroku Yamamoto, and from November 1929 to December 1930 under the command of Captain Shirō Takasu. Shortly after completion, Isuzu was assigned to patrol duty on the Yangtze River. As the war situation with China continued to deteriorate, Isuzu was sent to patrol the coasts of central China, and to cover landings of Japanese troops in southern China. From December 1936 to December 1937, Isuzu was commanded by Captain Tamon Yamaguchi.
At the time of the attack on Pearl Harbor, Isuzu was participating in the invasion of Hong Kong, as part of the 15th Escort Squadron in Vice Admiral Kiyoshi Hara's Second China Expeditionary Fleet. Isuzu remained based in Hong Kong after its capture by Japan from the end of December 1941 to April 1942, returning briefly to her home port of Mako, in the Pescadores to escort reinforcements for the Japanese 25th Army to Singora, Thailand and Camranh Bay, French Indochina
The 15th Escort Squadron was deactivated on 10 April 1942 and Isuzu was reassigned to Rear Admiral Kenzaburo Hara's CruDiv 16 under Vice Admiral Ibō Takahashi's 2nd Southern Expeditionary Fleet. She was joined by the Natori and Kinu and was assigned a patrol area in the Dutch East Indies extending from Makassar, Celebes to Balikpapan, Borneo and Surabaya, Java, becoming flagship of CruDiv 16 from 1 May 1942.
On 28 June 1942, Isuzu returned to Yokosuka Naval Arsenal for repairs and overhaul, which was completed in time for Isuzu to participate in the Banda Sea Operation on 26 July 1942, where she supported landing operations of Japanese forces on the Tanimbar Islands.
In August, 1942, Isuzu was reassigned to the Indian Ocean theater, patrolling between Singapore, Mergui, Burma, Sabang Harbor, Sumatra and Penang, Malaya; however, on 24 August 1942, Isuzu was reassigned back to Makassar.
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Japanese cruiser Isuzu
Isuzu (五十鈴) was the second of six vessels in the Nagara class of light cruisers, and like other vessels of her class, she was intended for use as the flagship of a destroyer flotilla. She was named after the Isuzu River, near Ise Shrine in the Chūbu region of Japan. She saw action during World War II in the Battle of Hong Kong and in the Solomon Islands campaign, and the Battle of Leyte Gulf before being sunk by American submarines in the Netherlands East Indies in April 1945.
Following the production of the five Kuma-class cruisers, an additional three 5,500-ton class light cruisers authorized under the 8-4 Fleet Program were ordered by the Imperial Japanese Navy in 1920. Due to minor changes in design, primarily due to advances in torpedo technology, these three vessels were initially designated as "modified Kuma-class", or "5500-ton class Type II", before being re-designated as a separate class named after the lead vessel, Nagara. A second set of three vessels was authorized in late 1920.
The Nagara-class vessels were essentially identical to the previous Kuma-class cruisers, retaining the same hull design, engines and main weaponry, with the addition of the new 610 mm Type 93 Long Lance Torpedoes, which required a larger launcher. However, in silhouette, a major difference from the Kuma class was in the configuration of the bridge, which incorporated an aircraft hangar. Initially, a 33-foot (10 m) platform was mounted above the No.2 gun mount, extending over the forward superstructure below the bridge. This was later replaced by an aircraft catapult. Even so, the arrangement proved unwieldy, and the catapult was moved to the rear of each ship in the class, between the No.5 and No.6 gun mounts during retrofits in 1929-1934. Isuzu underwent a number of wartime modifications to increase her number of anti-aircraft guns, and to replace her twin torpedo mounts with a pair of quadruple mounts aft, one each side. From May – September 1944, she was converted into a dedicated anti-aircraft cruiser, during which her entire 14 cm main battery and aircraft catapults were removed, and replaced by three twin-mount 12.7 cm/40 Type 89 naval guns, and a Type 94 high angle fire control system and Type 13 and Type 22 radars were added.
Isuzu was laid down on 10 August 1920, launched on 29 October 1921 and completed at the Uraga Dock Company on 15 August 1923. On 10 June, 1923 while conducting speed trials she sunk a fishing boat in a collision. From August to December 1928, she was under the command of Captain Isoroku Yamamoto, and from November 1929 to December 1930 under the command of Captain Shirō Takasu. Shortly after completion, Isuzu was assigned to patrol duty on the Yangtze River. As the war situation with China continued to deteriorate, Isuzu was sent to patrol the coasts of central China, and to cover landings of Japanese troops in southern China. From December 1936 to December 1937, Isuzu was commanded by Captain Tamon Yamaguchi.
At the time of the attack on Pearl Harbor, Isuzu was participating in the invasion of Hong Kong, as part of the 15th Escort Squadron in Vice Admiral Kiyoshi Hara's Second China Expeditionary Fleet. Isuzu remained based in Hong Kong after its capture by Japan from the end of December 1941 to April 1942, returning briefly to her home port of Mako, in the Pescadores to escort reinforcements for the Japanese 25th Army to Singora, Thailand and Camranh Bay, French Indochina
The 15th Escort Squadron was deactivated on 10 April 1942 and Isuzu was reassigned to Rear Admiral Kenzaburo Hara's CruDiv 16 under Vice Admiral Ibō Takahashi's 2nd Southern Expeditionary Fleet. She was joined by the Natori and Kinu and was assigned a patrol area in the Dutch East Indies extending from Makassar, Celebes to Balikpapan, Borneo and Surabaya, Java, becoming flagship of CruDiv 16 from 1 May 1942.
On 28 June 1942, Isuzu returned to Yokosuka Naval Arsenal for repairs and overhaul, which was completed in time for Isuzu to participate in the Banda Sea Operation on 26 July 1942, where she supported landing operations of Japanese forces on the Tanimbar Islands.
In August, 1942, Isuzu was reassigned to the Indian Ocean theater, patrolling between Singapore, Mergui, Burma, Sabang Harbor, Sumatra and Penang, Malaya; however, on 24 August 1942, Isuzu was reassigned back to Makassar.
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