2nd Naval Armaments Supplement Programme
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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 capabilities vis-a-vis the United States Navy and the British Royal Navy in terms of tonnage and numbers of capital warships. The response of the Imperial Japanese Navy General Staff was to initiate a construction program to build new warships to the allotted tonnage limits in each of the restricted categories, and to invest in types of warships and weaponry not specifically covered by the provisions of the treaty.Evans, ''Kaigun''. pp. 238–239 The "Circle One" plan was submitted by the Naval Ministry and approved by the Cabinet in November 1930, and officially ratified by the Diet of Japan in 1931. It called for the construction of 39 new combat vessels, centering on four of the new s, and expansion of the Imperial Japanese Navy Air Service ...
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Japanese Heavy Cruiser Chikuma
Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspora, Japanese emigrants and their descendants around the world * Japanese citizens, nationals of Japan under Japanese nationality law ** Foreign-born Japanese, naturalized citizens of Japan * Japanese writing system, consisting of kanji and kana * Japanese cuisine, the food and food culture of Japan See also

* List of Japanese people * * Japonica (other) * Japonicum * Japonicus * Japanese studies {{disambiguation Language and nationality disambiguation pages ...
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Japanese Destroyer Michishio
was the third of ten s built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program (''Maru Ni Keikaku''). History The ''Asashio''-class destroyers were larger and more capable that the preceding , as Japanese naval architects were no longer constrained by the provisions of the London Naval Treaty. These light cruiser-sized vessels were designed to take advantage of Japan’s lead in torpedo technology, and to accompany the Japanese main striking force and in both day and night attacks against the United States Navy as it advanced across the Pacific Ocean, according to Japanese naval strategic projections. Despite being one of the most powerful classes of destroyers in the world at the time of their completion, none survived the Pacific War. ''Michishio'', built at the Fujinagata Shipyards in Osaka was laid down on 5 November 1935, launched on 15 March 1937 and commissioned on 31 October 1937. Operational history On commis ...
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Japanese Torpedo Boat Kari (1937)
Two Japanese warships have borne the name ''Kari'': * , a launched in 1903 and stricken in 1923 * , an launched in 1937 and sunk in 1945 {{DEFAULTSORT:Kari Imperial Japanese Navy ship names Japanese Navy ship names ...
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Japanese Torpedo Boat Kiji (1937)
Two Japanese warships have borne the name ''Kiji'': * , a launched in 1903 and stricken in 1923 * , an launched in 1937 and ceded to Russia as ''Vnimatel'nyy'' in 1947 . {{DEFAULTSORT:Kiji Imperial Japanese Navy ship names Japanese Navy ship names ...
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Japanese Torpedo Boat Kasasagi (1935)
Two Japanese warships have borne the name ''Kasasagi'': * , a launched in 1899 and stricken in 1921 * , an launched in 1935 and sunk in 1943 {{DEFAULTSORT:Kasasagi Imperial Japanese Navy ship names Japanese Navy ship names ...
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Japanese Torpedo Boat Hayabusa (1935)
Two Japanese warships have borne the name ''Hayabusa'': * , a launched in 1898 and stricken in 1921 * , an launched in 1935 and sunk in 1944 {{DEFAULTSORT:Hayabusa Imperial Japanese Navy ship names Japanese Navy ship names ...
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Japanese Torpedo Boat Hiyodori
The Japanese torpedo boat ''Hiyodori'' was an of the Imperial Japanese Navy, built for escort and anti-submarine duties. Although classified as a torpedo boat, she was large enough to be considered a small destroyer or a fast escort. She was the third ship of her class to be completedWatts, Anthony J., Gordon, Brian G. ''The Imperial Japanese Navy'', (Garden City, NY: Doubleday & Company Inc.), pp. 279 and served in the Second Sino-Japanese War and the Second World War. Design and description Since the ''Otori'' class was designed and built with the harsh lessons learned from the ''Tomozuru'' and Fourth Fleet incidents,Evans, David C. & Peattie, Mark R. ''Kaigun: Strategy, Tactics and Technology in the Imperial Japanese Navy 1887-1941'' (Annapolis, MD: Naval Institute Press, 1997), pp. 244 ''Hiyodori'' benefited from having both a considerably powerful armament and far greater stability. The stability was provided with a lower bridge level, less armament and protection (in th ...
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Japanese Torpedo Boat Ōtori (1935)
Two Japanese warships have borne the name ''Ōtori'': * , a launched in 1904 and stricken in 1923 * , an launched in 1935 and sunk in 1944 {{DEFAULTSORT:Ōtori Imperial Japanese Navy ship names Japanese Navy ship names ...
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Japanese Destroyer Kasumi (1937)
was the ninth of ten s built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program (''Maru Ni Keikaku''). History Kasumi was the ninth of ten Asashio-class destroyers built for the Imperial Japanese Navy. The ''Asashio''-class destroyers were larger and more capable that the preceding , as Japanese naval architects were no longer constrained by the provisions of the London Naval Treaty. These light cruiser-sized vessels were designed to take advantage of Japan’s lead in torpedo technology, and to accompany the Japanese main striking force and in both day and night attacks against the United States Navy as it advanced across the Pacific Ocean, according to Japanese naval strategic projections. Despite being one of the most powerful classes of destroyers in the world at the time of their completion, none survived the Pacific War. ''Kasumi'', built at the Uraga Dock Company, was laid down on 1 December 1936, launched on 18 ...
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Japanese Destroyer Arare (1937)
was the tenth and last of the s built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program (''Maru Ni Keikaku''). History The ''Asashio''-class destroyers were larger and more capable than the preceding , as Japanese naval architects were no longer constrained by the provisions of the London Naval Treaty. These light cruiser-sized vessels were designed to take advantage of Japan’s lead in torpedo technology, and to accompany the Japanese main striking force and in both day and night attacks against the United States Navy as it advanced across the Pacific Ocean, according to Japanese naval strategic projections. Despite being one of the most powerful classes of destroyers in the world at the time of their completion, none survived the Pacific War. ''Arare'', built at the Maizuru Naval Arsenal, was laid down on 5 March 1937, launched on 16 November 1937 and commissioned on 15 April 1939. On completion, she was assigned t ...
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Japanese Destroyer Minegumo (1937)
was the eighth of ten s built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program (''Maru Ni Keikaku''). History The ''Asashio''-class destroyers were larger and more capable that the preceding , as Japanese naval architects were no longer constrained by the provisions of the London Naval Treaty. These light cruiser-sized vessels were designed to take advantage of Japan's lead in torpedo technology, and to accompany the Japanese main striking force and in both day and night attacks against the United States Navy as it advanced across the Pacific Ocean, according to Japanese naval strategic projections. Despite being one of the most powerful classes of destroyers in the world at the time of their completion, none survived the Pacific War. ''Minegumo'', built at the Fujinagata Shipyards in Osaka was laid down on 22 March 1937, launched on 4 November 1937 and commissioned on 4 April 1938. Operational history At 1800 hours ...
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Japanese Destroyer Asagumo (1938)
was the fifth of ten s built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program (''Maru Ni Keikaku''). History The ''Asashio''-class destroyers were larger and more capable that the preceding , as Japanese naval architects were no longer constrained by the provisions of the London Naval Treaty. These light cruiser-sized vessels were designed to take advantage of Japan’s lead in torpedo technology, and to accompany the Japanese main striking force and in both day and night attacks against the United States Navy as it advanced across the Pacific Ocean, according to Japanese naval strategic projections. Despite being one of the most powerful classes of destroyers in the world at the time of their completion, none survived the Pacific War. ''Asagumo'', built at the Kawasaki Shipyards in Kobe was laid down on December 23, 1936, launched on November 5, 1937 and commissioned on March 31, 1938. Operational history At the tim ...
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