The 4th Naval Armaments Supplement Program (マル4計画, 第四次海軍軍備充実計画, Maru 4 Keikaku, Dai-Yo-Ji Kaigun Gunbi Jūjitsu Keikaku) was one of the armaments expansion plan of the Imperial Japanese Navy (IJN).
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Transcription
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 | #101 | Kashii (#101) | ||
| Minelayer | Hatsutaka | #102 | Wakataka (#102) | ||
| Combat support ship | Sunosaki | #103 | <i>Sunosaki</i> (#103) | ||
| Destroyer Type-B | Akizuki | #104–109 | Akizuki (#104), Teruzuki (#105), Suzutsuki (#106), Hatsuzuki (#107), Niizuki (#108), Wakatsuki (#109) | ||
| Battleship | Yamato | #110–111 | #110 was converted to aircraft carrier | #111 | |
| Aircraft carrier | Shinano | Shinano (#110) | |||
| Destroyer Type-A | Kagerō | #112–114 | Arashi (#112), Hagikaze (#113), Maikaze (#114), Akigumo (#115) | #115 was converted from the Yūgumo class | |
| Yūgumo | #115–129 | Yūgumo (#116), Makigumo (#117), Kazagumo (#118), Naganami (#119), Makinami (#120), Takanami (#121), Ōnami (#122), Kiyonami (#123), Tamanami (#124), Suzunami (#126), Fujinami (#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 |
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| Destroyer Type-C | Shimakaze | Shimakaze (#125) | |||
| Aircraft carrier | Taihō | #130 | Taihō (#130) | ||
| Seaplane tender | Akitsushima | #131 | Akitsushima (#131) | ||
| Light cruiser Type-B | Agano | #132–135 | Agano (#132), Noshiro (#133), Yahagi (#134), Sakawa (#135) | ||
| Light cruiser Type-C | Ōyodo | #136–137 | Ōyodo (#136) | #137 | |
| Cruiser submarine Type-A | I-9 | #138 | I-11 (#138) | ||
| Cruiser submarine Type-B | I-15 | #139–153 | I-26 (#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 (#154) to I-185 (#163) | ||
| Minesweeper | No.19 | #164–169 | <i>No.19</i> (#164) to <i>No.24</i> (#169) | ||
| Minelayer | Sokuten | #170–179 | <i>Hirashima</i> (#170), <i>Hōko</i> (#171), <i>Ishizaki</i> (#172), <i>Takashima</i> (#173), <i>Saishū</i> (#174), <i>Niizaki</i> (#175), <i>Yurijima</i> (#176), <i>Nuwajima</i> (#177), <i>Maeshima</i> (#178) | #179 | |
| Subchaser | No.13 | #180–183 | <i>No.13'</i> (#180) to No.16 (#183) | ||
| Cable layer | Hashima | [1] | <i>Hashima</i>, <i>Tsurushima</i>, <i>Ōdate</i>, <i>Tateishi</i> | ||
| Food supply ship | No.4006 | [1] | No.4006 (later renamed Kinesaki) | ||
| No.4007 | [1] | No.4007 (later renamed Nosaki) |
Notes
References
- Senshi Sōsho Vol.31, Naval armaments and war preparation (1), "Until November 1941", Asagumo Simbun (Japan), November 1969
See also
- 1st Naval Armaments Supplement Programme (Maru 1 Keikaku, 1931)
- 2nd Naval Armaments Supplement Programme (Maru 2 Keikaku, 1934)
- 3rd Naval Armaments Supplement Programme (Maru 3 Keikaku, 1937)
- Temporal Naval Armaments Supplement Programme (Maru Rin Keikaku, 1940)
- Rapidly Naval Armaments Supplement Programme (Maru Kyū Keikaku, 1941)
- Additional Naval Armaments Supplement Programme (Maru Tui Keikaku, 1941)
- 5th Naval Armaments Supplement Programme (Maru 5 Keikaku, 1941)
- 6th Naval Armaments Supplement Programme (Maru 6 Keikaku, 1942)
- Modified 5th Naval Armaments Supplement Programme (Kai-Maru 5 Keikaku, 1942)
- Wartime Naval Armaments Supplement Programme (Maru Sen Keikaku, 1944)
- マル4計画 (ja)
This page was last edited on 7 June 2022, at 17:26