The was one of the wartime armaments expansion plans of the
Imperial Japanese Navy (IJN).
Background
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
See also
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1st Naval Armaments Supplement Programme
The , otherwise known as the "Circle One" plan was the first of four expansion plans of the Imperial Japanese Navy between 1930 and the start of World War II.
Background
The London Naval Treaty placed severe restrictions on Japan's naval capabil ...
(Maru 1 Keikaku, 1931)
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2nd Naval Armaments Supplement Programme
The otherwise known as the "Circle Two" Plan was the second of four expansion plans of the Imperial Japanese Navy between 1930 and the start of World War II.
Background
The London Naval Treaty placed severe restrictions on Japan's naval capabi ...
(Maru 2 Keikaku, 1934)
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3rd Naval Armaments Supplement Programme
The otherwise known as the "Circle Three" Plan was the third of four expansion plans of the Imperial Japanese Navy between 1930 and the start of World War II.
Background
The London Naval Treaty placed severe restrictions on Japan's naval capabili ...
(Maru 3 Keikaku, 1937)
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4th Naval Armaments Supplement Programme
The was one of the armaments expansion plan of the Imperial Japanese Navy (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
No ...
(Maru 4 Keikaku, 1939)
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Temporal Naval Armaments Supplement Programme (Maru Rin Keikaku, 1940)
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Rapidly Naval Armaments Supplement Programme (Maru Kyū Keikaku, 1941)
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Additional Naval Armaments Supplement Programme The was one of the naval expansion plans of the Imperial Japanese Navy (IJN).
Background
In November 1941, the IJN required many additional submarines for the Pacific War, as a pressing matter. To meet this need, the IJN negotiated with the Minist ...
(Maru Tui Keikaku, 1941)
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5th Naval Armaments Supplement Programme (Maru 5 Keikaku, 1941)
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6th Naval Armaments Supplement Programme (Maru 6 Keikaku, 1942)
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Wartime Naval Armaments Supplement Programme The was the 1943-44 War Programme to fund the armaments expansion plan of the Imperial Japanese Navy (IJN).
Background
Early 1944, the IJN started building warships for war. The plan did not include any large warships which were suitable for offe ...
(Maru Sen Keikaku, 1944)
References
改マル5計画 (ja)
{{IJN Naval Armnament Supplement Programs
Naval Armaments Supplement Programme
Naval Armaments Supplement Programme