Japanese Submarine I-152

, later , was the second prototype of the of the Imperial Japanese Navy. Commissioned in 1925, she became a training ship in 1935 and was decommissioned in 1942 during the early months of the Pacific campaign of World War II. She subsequently served as the stationary training hulk ''Haikan No. 14'' and was scrapped after the war.

Background

Following World War I, the Imperial Japanese Navy General Staff began to re-consider submarine warfare as an element of fleet strategy. Before the war, the Imperial Japanese Navy regarded submarines as useful only for short-range coastal point defense.Peatty, ''Kaigun'', p. 114, 212-214 However, based on the success of the Imperial German Navy in the deployment of long-range cruiser submarines for commerce raiding Japanese strategists came to realize possibilities for using the weapon for long range reconnaissance, and in a war of attrition against an enemy fleet approaching Japan. Although a large, long-range Japanese submarine had already been authorized in fiscal 1918 under the Eight-six fleet program as ''Project S22'' (later designated ), a second prototype with a different design (the future ''I-52'') was authorized in fiscal year 1919.

Design

The first ''Kaidai'' prototype, ''Project S22'', was based on the latest Royal Navy design, the British K class submarine; it became the ''Kaidai'' I type submarine ''I-51''. The second ''Kaidai'' prototype, the ''Kaidai '' II type, was based on the German Type U 139 submarine.Stille, ''Imperial Japanese Submarines 1941-45'', p. 4 This second prototype was designated ''Project S25''.

With improved Sulzer diesel engines, ''I-52'' was had a single hull and two engines, rather than the double-hull, four-engine design of ''I-51''. The greater power and more streamlined shape gave a slightly higher surface speed than that of ''I-51'', or even the Imperial German Navy submarine '' U-135'', but with reduced range. ''I-52'' had a design speed of on the surface and submerged, but as completed, achieved only on the surface. Her unrefueled range on the surface was , only half that of ''I-51''.

The Japanese did not regard ''I-52'' as a completely successful design despite the various technical achievements her design and construction represented and her superior performance to that of ''I-51''. They planned several more submarines of the same ''Kaidai'' II design, but cancelled all of them before formally signing contracts for their construction after the arrival of seven Imperial German Navy U-boats Japan received as war reparations at the end of World War I prompted a review of Japanese submarine design concepts.Boyd, ''The Japanese Submarine Force in World War II'', p. 17-18 ''I-52'' thus was the only ''Kaidai'' II-type submarine constructed.

Construction and commissioning

Project S25 was laid down as at the Kure Naval Arsenal in Kure, Japan, on either 14 FebruaryI-152 ijnsubsite.com August 9, 2018 Accessed 16 January 2021
/ref> or 2 April 1922,Jentsura, ''Warships of the Imperial Japanese Navy, 1869-1945'', p. 190. according to different sources, and she was launched on 12 June 1923. Renumbered ''I-52'' on 1 November 1924, she was completed and commissioned on 20 May 1925.

Operational history

Pre-World War II

On the day of her commissioning, ''I-52'' was attached to the Kure Naval District. On 1 December 1925, she was assigned to Submarine Division 17 in Submarine Squadron 2 in the 2nd Fleet, a component of the Combined Fleet. On 25 October 1926, she was in Hiroshima Bay when the Hakata Bay Railway Company train ferry ''Fukuoka Maru'' accidentally rammed her in her port side, damaging her. She participated in the Grand Naval Maneuvers ("Special Great Maneuvers") of August to October 1927.

Submarine Division 17 was reassigned to the Kure Naval District on 10 December 1928, and while assigned to the district had two stints in the Kure Defense Squadron, from 30 November 1929 to 1 December 1930 and from 1 October 1932 to 1 January 1933. Unsuccessful in fleet service due to problems with her diesel engines, ''I-52'' never returned to the fleet after Submarine Division 17′s reassignment to the Kure Naval District in 1928. Instead, she was retained as part of Submarine Division 17 at the Kure Naval Arsenal for crew training. Submarine Division 17 was deactivated on 15 November 1935,Submarine Division 17 ijnsubsite.com Accessed 16 January 2021
/ref> and ''I-52'' was assigned directly to the Kure Naval District that day.

Sources are unclear on ''I-52''′s status in the latter half of the 1930s and at the beginning of the 1940s. She may have become a stationary training ship at the Maizuru Naval Engineering School as early as mid-1935, or her assignment to the school may not have occurred until 15 December 1938. She also was reassigned to the Maizuru Naval District for this duty, but sources disagree on whether this reassignment took place on 15 December 1938 or 1 February 1939. She was reattached to the Kure Naval District either on 31 July 1941 or 8 December 1941.

World War II

On 8 December 1941 — the day the Pacific campaign began in East Asia, which was 7 December 1941 on the other side of the International Date Line in Hawaii, where Japan began the war in the Pacific with its attack on Pearl Harbor — ''I-52'' was assigned to the Kure Guard Force in the Kure Naval District for duty as a training ship in the Seto Inland Sea, based at Kure. Sometime after 10 April 1942, she also took part in testing different submarine garbage disposal units. She was renumbered on 20 May 1942.

''I-152'' was placed in reserve on 14 July 1942 and removed from the navy list on 1 August 1942. Renamed ''Haikan No. 14'' ("Submarine Hulk No. 14"), she became a stationary training hulk at the submarine school at Kure. She later was transferred to the Hirao branch of the Ōtake Submarine School in Yamaguchi Prefecture. When hostilities with the Allies of World War II ended on 15 August 1945, she was laid up at Hirao. ''Haikan No. 14'' was scrapped at the former Kure Naval Arsenal between 1946 and 1948.

References

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{{DEFAULTSORT:I-152
1923 ships
Ships built by Kure Naval Arsenal
Kaidai-class submarines
World War II submarines of Japan
Maritime incidents in 1926

ja:伊号第五二潜水艦