The Japanese Aircraft Carriers Soryu and Hiryu

Miroslaw Skwiot

 
Publication date:
August 2015
Publisher :
Kagero
Language:
English
Series :
Hard Cover
Illustration :
82 archive photos• 30 drawings• 16 Colour profiles• 1 map
Format Available     Quantity Price
Hardback
ISBN : 9788364596520
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£25.99
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Overview
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Soryu meaning "Blue (or Green) Dragon") was an aircraft carrier built for the Imperial Japanese Navy (IJN) during the mid-1930s. A sister ship, Hiryū, was intended to follow Sōryū, but Hiryū 's design was heavily modified and she is often considered to be a separate class.

Their aircraft supported the Japanese invasion of French Indochina in mid-1940. During the first month of the Pacific War, they took part in the attack on Pearl Harbor and the Battle of Wake Island and then supported the conquest of the Dutch East Indies in January 1942. The following month, their aircraft bombed Darwin, Australia, and continued to assist in the Dutch East Indies campaign. In April, Hiryū's aircraft helped sink two British heavy cruisers and several merchant ships during the Indian Ocean raid.

Hiryū was the second aircraft carrier included in "The Second Naval Armaments Supplement Program” of 1934. Originally both carriers were supposed to be sister vessels, but the number of design modifications introduced during the construction of Sōryū resulted in many differences between the two. According to the original plans Hiryū was to be completed a year after Sōryū, but her construction (similarly to her predecessor) suffered delays caused by two key factors. The first one was the implementation of the lessons learned during the reconstruction of Kaga, which was going on simultaneously with Hiryū's construction. Then there was new data available from the early service days of Sōryū, which exposed some of the design's drawbacks and weaknesses. The number of issues popping up "along the way” was further increased by the Fourth Fleet Incident and by Japan's withdrawal from the previously signed naval treaties. Considering all those issues, it is not hard to imagine the inevitable impact they had on Hiryū's original design and construction schedule. The greatest source of delays was undoubtedly the aftermath of the Fourth Fleet Incident, which forced the Navy Aviation Bureau to introduce changes in the design of the second carrier. After the new requirements had been implemented, Hiryū's final design (known as the "Basic Project G-10”) finally emerged.

REVIEWS

A hard cover book from Kagero this time, with the history of the development and service history of two of the famous Japanese aircraft carriers of WW2, both of which took part in the raid on Pearl Harbour in December 1941. Essentially sister ships, they did turn out to have some differences by the time both were completed. I found it interesting to read about their development in the context of the pre-war period, when the limitations of the Washington Treaty on warships had an effect on warship design, and when the very creation of full deck aircraft carriers was still in its' infancy. Experience with operating earlier carriers (Akagi and Kaga in particular) as well as lessons learnt from vulnerability to a variety of ships when caught in very bad storms led to changes in building both Soryu and Hiryu.

Soryu was slightly delayed in completion and Hiryu by as much as 2 years, though both were in service by the outbreak of WW2. On top of the development story and details of the design, the aircraft they flew and even diagrams of how aircraft were to be stowed in the hanger. Well illustrated throughout with archive photos this goes on to tell the operational stories of both vessels, both of which ended in their sinking.

Filling 100 pages the story ends with the sinking of both carriers at the Battle of Midway in 1942, where they in turn had managed to sink one of the US carriers, the Yorktown.

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