Modified 5th Naval Armaments Supplement Programme

The Modified 5th Naval Armaments Supplement Programme (改マル5計画, 戦備促進第二次実行計画, Kai-Maru 5 Keikaku, Senbi-Sokushin Dai-Ni-Ji Jikkō Keikaku) was one of the wartime armaments expansion plans of the Imperial Japanese Navy (IJN).

Background

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In September 1942, after being defeated in the Battle of Midway, the IJN drew up a new armaments expansion plan. This plan was combined by the 5th Naval Armaments Supplement Programme and the 6th Naval Armaments Supplement Programme to build the aircraft carriers rapidly. The main article was to build 20 aircraft carriers, and removed all battleships and heavy cruisers. They had approved 412 vessels, 1,150,000 tons. However, most of plans were not achieved. Until the end of the war only 60 vessels from this plan were completed.

Table of vessels

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Category Class Vessel number(s) Completed Converted Cancelled
Aircraft carrier Unryū #5001–5015 Amagi (#5001), Katsuragi (#5003) #5002 and #5005 were converted to the Shinano #5008–5015
G15 (Modified Taiho) #5021–5025 #5021–5025
Seaplane tender Akitsushima #5031–5033 #5031–5033
Submarine tender J27 #5034–5036 #5034–5036
Light cruiser C44 #5037–5038 #5037–5038
Minelayer H12C #5039 #5039
Destroyer Type-A Yūgumo #5041–5048 #5041–5048
Destroyer Type-B Akizuki #5061–5083 #5061–5083
Cruiser submarine Type-A I-13 #5091–5093 I-14 (#5091)
S48 #5094–5096 #5094–5096
Cruiser submarine Type-B I-54 #5101–5114 #5101–5114
S49A #5115–5132 #5115–5132
Cruiser submarine Type-C I-52 #5141–5155 #5141–5155
S49B #5156–5180 #5156–5180
Medium-sized submarine Ro-35 #5181–5223 #5181–5223
Submarine Special type I-400 #5231–5248 I-400 (#5231), I-401 (#5232), I-402 (#5233) #5234–5248
Escort ship Type-B Ukuru #5251–5284 Yaku (#5251), Chikubu (#5253), Kōzu (#5255), Hodaka (#5256), Ikara (#5258), Ikuno (#5260) #5252, 5254, 5257, 5259 and 5263–5266 were converted to the Hiburi class #5261–#5262, 5267–5284
Hiburi Kume (#5252), Ikuna (#5254), Shisaka (#5257), Sakito (#5259), Mokuto (#5263), Habuto (#5264) #5265–5266
Minesweeper No.19 #5301–5336 #5301–5336
Subchaser No.13 #5341–5370 No.60 (#5341), No.61 (#5342), No.63 (#5344) #5343, 5345–5370
Fleet oiler Kazahaya #5381–5387 #5381–5387
J34 #5388–5395 #5388–5395
Food supply ship Kinesaki #5401–5407 #5401–5407
J20C #5408 #5408
J35 #5409–5410 #5409–5410
Target ship Ōhama #5411–5415 Ōhama (#5411) #5412–5415
Repair ship Akashi #5416–5417 #5416–5417
Survey ship J11C #5418 #5418
Icebreaker J23 #5419 #5419
Minelayer Ajiro #5421–5432 #5421–5432
Submarine Type-D I-361 #5461–5471 I-361 (#5461), I-362 (#5462), I-363 (#5463), I-364 (#5464), I-365 (#5465), I-366 (#5466), I-367 (#5467), I-368 (#5468), I-369 (#5469), I-370 (#5470), I-371 (#5471)
Destroyer Type-D Matsu #5481–5522 Matsu (#5481), Take (#5482), Ume (#5483), Momo (#5484), Kuwa (#5485), Kiri (#5486), Sugi (#5487), Maki (#5488), Momi (#5489), Kashi (#5490), Kaya (#5492), Nara (#5493), Sakura (#5496), Yanagi (#5497), Tsubaki (#5498), Kaki (#5499), Kaba (#5500), Hinoki (#5502), Kaede (#5505), Keyaki (#5508), Tachibana (#5511), Tsuta (#5514), Hagi (#5517), Sumire (#5520), Kusunoki (#5521), Hatsuzakura (#5522) #5491, 5494–5495, 5501, 5503–5504, 5506–5507, 5509–5510, 5512–5513, 5515–5516, 5518–5519

See also

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References

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改マル5計画 (ja)