4th Naval Armaments Supplement Programme (Japan, 1939)

The was one of the armaments expansion plan of the Imperial Japanese Navy

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

(IJN).

Background

In 1939, the IJN started new naval armaments expansion plan. It extended to 80 warships and 75 Naval Air Groups by 1.6 billion JPY.

Table of vessels

Category	Class	Vessel number(s)	Completed	Converted	Cancelled
Training cruiser	Katori Katori class cruiser The were originally ordered by the Imperial Japanese Navy to serve as training ships in the 1937 and 1939 Supplementary Naval budget. During the Pacific War, they were used as administrative flagships for various fleets, such as submarine command and control, and to command escort squadrons...	#101	Kashii Japanese cruiser Kashii was the third and final vessel completed of the three light cruisers in Katori class, which served with the Imperial Japanese Navy during World War II. It is named after a noted Shinto shrine in Fukuoka, Japan.-Background:... (#101)
Minelayer	Hatsutaka Hatsutaka class minelayer The was a class of minelayers of the Imperial Japanese Navy , serving during the World War II. They have three sub classes, this article handles them collectively.-Design:...	#102	Wakataka Japanese minelayer Wakataka was the third and final vessel in the of medium-sized minelayers of the Imperial Japanese Navy, which was in service during World War II. She was designed as an improved version of Shirataka netlayer... (#102)
Combat support ship	Sunosaki Sunosaki class combat support ship The was a class of two support ships of the Imperial Japanese Navy , serving during World War II.-Construction:In 1939, the IJN planned two support ship classes to help their aircraft carriers. One was the 8,000 ton Ashizuri class, the other one the 4,500 ton Sunosaki class...	#103	Sunosaki (#103)
Destroyer Type-B	Akizuki Akizuki class destroyer (1942) The was one of the primary classes of new destroyers of the Imperial Japanese Navy after 1942. The IJN called them from their plan name. They were designed to fight larger ships, aircraft and submarines....	#104–109	Akizuki Japanese destroyer Akizuki -External links:*... (#104), Teruzuki Japanese destroyer Teruzuki was an Akizuki-class destroyer of the Imperial Japanese Navy. Her name means "Pale or Lighter Moon, Shining Moon".On 12–13 November 1942, Teruzuki was part of the Bombardment Force commanded by Rear Admiral Abe Hiroaki. In the First Naval Battle of Guadalcanal, she claimed hits on seven U.S.... (#105), Suzutsuki Japanese destroyer Suzutsuki was an Akizuki-class destroyer of the Imperial Japanese Navy. Her name means "Clear Moon ".On 6–7 April 1945, Suzutsuki escorted from the Inland Sea on her attack mission against the Allied forces fighting on Okinawa. Her bow was torn off by a torpedo from aircraft of Task Force 58, but survived... (#106), Hatsuzuki Japanese destroyer Hatsuzuki was an Akizuki-class destroyer of the Imperial Japanese Navy. Her name means "New Moon " or " August".In October 1944 Hatsuzuki was part of the Northern Force commanded by Admiral Ozawa Jisaburo, in the Japanese attack on the Allied forces supporting the invasion of Leyte... (#107), Niizuki Japanese destroyer Niizuki Niizuki was an Akizuki-class destroyer of the Imperial Japanese Navy.On the night of 4–5 July 1943, Niizuki led a troop transport run to Kolombangara. With her radar she detected U.S. ships in Kula Gulf, and she, along with Yūnagi and , fired a salvo of torpedoes, which sank .On the night of 5–6... (#108), Wakatsuki Japanese destroyer Wakatsuki was an Akizuki-class destroyer of the Imperial Japanese Navy. Her name means "Young Moon".Wakatsuki participated in rescuing sailors from two of the aircraft carriers that participated in the attack on Pearl Harbor: and when each was sunk by US forces.On 11 November 1944, Wakatsuki was... (#109)
Battleship	Yamato Yamato class battleship The were battleships of the Imperial Japanese Navy constructed and operated during World War II. Displacing at full load, the vessels were the heaviest and most powerfully armed battleships ever constructed. The class carried the largest naval artillery ever fitted to a warship, nine naval...	#110–111		#110 was converted to aircraft carrier	#111
Aircraft carrier	Shinano Japanese aircraft carrier Shinano named after the ancient Shinano Province, was an aircraft carrier of the Imperial Japanese Navy during World War II. Initially laid down as the third of the battleships, Shinano′s partially complete hull was converted to an aircraft carrier in 1942, midway through construction. Over the next two...	#110–111	Shinano (#110)
Destroyer Type-A	Kagerō Kagero class destroyer The was a class of ships in service with the Imperial Japanese Navy during World War II. There were 19 ships total in the class. The IJN called them from their plan name.-Description:...	#112–114	Arashi Japanese destroyer Arashi Arashi was a of the Imperial Japanese Navy.The Arashi ship played a vital role in World War II by inadvertently guiding US attack planes to the Japanese carrier fleet at the Battle of Midway. It had been separated from the fleet during an attack on the USS Nautilus and was steaming to join them... (#112), Hagikaze Japanese destroyer Hagikaze Hagikaze was a of the Imperial Japanese Navy. Participating at the Battle of Midway, the heavily damaged was scuttled by her two torpedoes, Kaga being fatally damaged by US aircraft of during the battle.... (#113), Maikaze Japanese destroyer Maikaze Maikaze was a of the Imperial Japanese Navy.On 17 February 1944, while evacuating convoys to Yokosuka from Truk following Allied attack on Truk, Maikaze, the cruiser , and the auxiliary cruiser Akagi Maru were sunk by gunfire from the cruisers and 40 miles northwest of Truk... (#114), Akigumo Japanese destroyer Akigumo Akigumo was a Imperial Japanese Navy destroyer of the .Shortly after the Battle of the Santa Cruz Islands during the early hours of 27 October 1942, Akigumo along with the destroyer Makigumo sunk the heavily damaged and abandoned USS Hornet... (#115)	#115 was converted from the Yūgumo-class
Destroyer Type-A	Yūgumo	#115–129	Yūgumo (#116), Makigumo (#117), Kazagumo Japanese destroyer Kazagumo was a of the Imperial Japanese Navy. Her name means "Clouds Driven by Heaven's Winds".On 8 June 1944, Kazagumo was escorting Myōkō and Haguro from Davao to support Biak troop transport operations. She was torpedoed and sunk by at the mouth of Davao Gulf . rescued 133 survivors.-External... (#118), Naganami Japanese destroyer Naganami was a of the Imperial Japanese Navy.During the 30 November 1942 Battle of Tassafaronga, Naganami led a supply-drum transport run to Guadalcanal , and engaged a U.S. cruiser-destroyer group. During this action, she possibly torpedoed , and/or .... (#119), Makinami (#120), Takanami (#121), Ōnami (#122), Kiyonami Japanese destroyer Kiyonami was a of the Imperial Japanese Navy.On 12 July 1943, Kiyonami was on a troop transport run to Kolombangara. In the Battle of Kolombangara, she contributed torpedoes to the spreads that sank , and damaged and .... (#123), Tamanami Japanese destroyer Tamanami was a of the Imperial Japanese Navy.On 7 July 1944, Tamanami was escorting the tanker Kokuyo Maru from Singapore towards Manila, Philippines. She was torpedoed by , west-southwest of Manila . Tamanami blew up and sank with all hands.... (#124), Suzunami Japanese destroyer Suzunami was a of the Imperial Japanese Navy.On 11 November 1943, Suzunami was sunk in a U.S. carrier air raid on Rabaul, New Britain. Reportedly she took a direct bomb hit while loading torpedoes near mouth of Rabaul Harbor . She blew up and sank; 148 were killed including Commander Kamiyama.-External... (#126), Fujinami Japanese destroyer Fujinami was a of the Imperial Japanese Navy. Her name means "Purple Wave" or "Waves of Wisterias".-Fate:In the Battle of Leyte Gulf, Fujinami escorted the 1st Diversion Attack Force, commanded by Admiral Kurita Takeo. She sustained minor damage from the air attacks on 24–25 October due to near-misses and... (#127)	#115 was converted to the Kagerō-class #125 was converted to the Shimakaze-class #128 and #129 were dummy of naval budget of the Yamato-class battleships
Destroyer Type-C	Shimakaze Japanese destroyer Shimakaze Japanese destroyer Shimakaze may refer to one of the following ships of the Imperial Japanese Navy:, an destroyer launched in 1920, renamed Patrol Boat No.1 in 1940 and sunk in 1943., a one-off WWII period super-destroyer launched in 1942, sunk in 1944...		Shimakaze (#125)
Aircraft carrier	Taihō Japanese aircraft carrier Taiho was an aircraft carrier of the Imperial Japanese Navy during World War II. With a heavily armored hull and flight deck , she represented a major departure in Japanese carrier design and was expected to not only survive multiple bomb, torpedo or shell hits but also continue fighting effectively...	#130	Taihō (#130)
Seaplane tender	Akitsushima Japanese seaplane tender Akitsushima The was a seaplane tender of the Imperial Japanese Navy, serving during the World War II from 1942 until being sunk in September 1944.-Design:In 1938, the IJN wanted to use their large-sized flying boats more effectively, because the Kawanishi H6K was the only aircraft able to hit the Pearl Harbor...	#131	Akitsushima (#131)
Light cruiser Type-B	Agano Agano class cruiser -See also:*List of World War II ships...	#132–135	Agano Japanese cruiser Agano \|-External links:Tabular record:... (#132), Noshiro Japanese cruiser Noshiro The was an Agano class light cruiser which served with the Imperial Japanese Navy during World War II.-Background:Noshiro was the second of the four vessels completed in the Agano-class of light cruisers, and like other vessels of her class, she was intended for use as the flagship of a destroyer... (#133), Yahagi* (#134), Sakawa Japanese cruiser Sakawa \|-External links: tabular record: * * with some history* with detailed account of Sakawa* * with details from Operation Crossroads... (#135)
Light cruiser Type-C	Ōyodo Japanese cruiser Oyodo Light cruiser , named after the Ōyodo River in Kyūshū, Japan was a light cruiser of the Imperial Japanese Navy, the only ship of her class.-Background:...	#136–137	Ōyodo (#136)		#137
Cruiser submarine Type-A	I-9	#138	I-11 Japanese submarine I-11 The submarine I-11 was a Japanese A1 type submarine.... (#138)
Cruiser submarine Type-B	I-15	#139–153	I-26 Japanese submarine I-26 I-26 was a Japanese B1 type submarine which saw service in the Imperial Japanese Navy during World War II. She was completed and commissioned at the Kure Dockyard on 6 November 1941, under the command of Commander Yokota Minoru.... (#139) to I-39 (#152)	#153 was dummy of naval budget of the Yamato-class battleships
Large sized submarine	I-176	#154–163	I-176 Japanese submarine I-176 The I-176, also named I-76,Although the submarine had been named I-76 when ordered in 1939, she was renamed I-176 upon her completion in 1942. was a of the Imperial Japanese Navy during World War II. The most successful submarine of her class, she severely damaged the heavy cruiser in October... (#154) to I-185 (#163)
Minesweeper	No.19 No.19 class minesweeper The was a class of minesweepers of the Imperial Japanese Navy , serving during the World War II. 70 vessels were plannned under the Maru 4 Programme , Maru Kyū Programme and Kai-Maru 5 Programme , however, only 17 vessels were completed.-Background:* Project number I4B. Improved model of the...	#164–169	No.19 (#164) to No.24 (#169)
Minelayer	Sokuten Sokuten class minelayer (1938) The was a class of minelayers of the Imperial Japanese Navy , serving during and after World War II. The class consists of three subclasses, which this article handles collectively.-Background:...	#170–179	Hirashima (#170), Hōko (#171), Ishizaki (#172), Takashima (#173), Saishū (#174), Niizaki (#175), Yurijima (#176), Nuwajima (#177), Maeshima (#178)		#179
Subchaser	No.13 No.13 class submarine chaser The was a class of submarine chasers of the Imperial Japanese Navy , serving during and after World War II. There were three sub classes, however the IJN's official document calls all of them the No.13 class.-Background:...	#180–183	No.13 (#180) to No.16 (#183)
Cable layer	Hashima Hashima class cable layer The was a class of cable layers of the Imperial Japanese Navy , serving during World War II. Four vessels were built in 1939–41 under the Maru 4 Programme.-Ships in class:Project number J21.-Bibliography:...		Hashima, Turushima, Ōdate, Tateishi
Food supply ship	No.4006		No.4006 (later renamed Kinesaki)
Food supply ship	No.4007 Japanese food supply ship Nosaki The was a food supply ship of the Imperial Japanese Navy serving during the World War II, the only ship of her class.-Background:In 1939, the IJN planned two food supply ships for China Area Fleet under the Maru 4 Programme...		No.4007 (later renamed Nozaki)

Background

Table of vessels

See also