Marquis was a vice admiral in the
Imperial Japanese Navy
The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...
during
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
.
Biography
Born in
Chiyoda, Tokyo
is a Special wards of Tokyo, special ward located in central Tokyo, Japan. It is known as Chiyoda City in English language, English. into a ''
kuge
The was a Japanese aristocratic class that dominated the Japanese Imperial Court in Kyoto. The ''kuge'' were important from the establishment of Kyoto as the capital during the Heian period in the late 8th century until the rise of the Kamak ...
'' family of court nobility related to the
Fujiwara Fujiwara (, written: 藤原 lit. "''Wisteria'' field") is a Japanese surname. (In English conversation it is likely to be rendered as .) Notable people with the surname include:
; Families
* The Fujiwara clan and its members
** Fujiwara no Kamatari ...
aristocracy, Daigo was a graduate of the ''
Gakushuin'' Peers' school. He went on to graduate from the 40th class of the
Imperial Japanese Naval Academy The was a school established to train line officers for the Imperial Japanese Navy. It was originally located in Nagasaki, Nagasaki, Nagasaki, moved to Yokohama in 1866, and was relocated to Tsukiji, Tokyo in 1869. It moved to Etajima, Hiroshima, E ...
in 1912. His rank on entering was only 126th out of 150 cadets, but he improved his scores, so that he graduated at 17th out of 144.
Daigo served as a
midshipman
A midshipman is an officer of the lowest rank, in the Royal Navy, United States Navy, and many Commonwealth navies. Commonwealth countries which use the rank include Canada (Naval Cadet), Australia, Bangladesh, Namibia, New Zealand, South Af ...
on the
cruiser and
battleship . As an
ensign
An ensign is the national flag flown on a vessel to indicate nationality. The ensign is the largest flag, generally flown at the stern (rear) of the ship while in port. The naval ensign (also known as war ensign), used on warships, may be diff ...
, he was assigned to the cruiser .
After his promotion to sub-lieutenant in 1913, he took time out to attend a session of the
House of Peers as was obligatory for members of his social class. He then returned to active service on the battleship and
destroyer .
Daigo was promoted to
lieutenant
A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations.
The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often ...
in 1918, and after taking courses in
torpedo
A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, s ...
warfare, was assigned to
submarines, serving on , and then becoming captain of , followed by . He also served on the cruiser in 1924. After promotion to
lieutenant commander
Lieutenant commander (also hyphenated lieutenant-commander and abbreviated Lt Cdr, LtCdr. or LCDR) is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding rank i ...
in 1924, he was captain of in 1926, and chief torpedo officer on the battleship later the same year.
In the 1930s, Daigo was captain of a large number of cruisers in rapid succession: , , , , , and . He was promoted to
rear admiral
Rear admiral is a senior naval flag officer rank, equivalent to a major general and air vice marshal and above that of a commodore and captain, but below that of a vice admiral. It is regarded as a two star " admiral" rank. It is often rega ...
on 15 November 1940.
Daigo commanded Submarine Squadron 5 (Subron 5), with his flag on the
light cruiser
A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to thi ...
at the start of the
Pacific War. At the time of the
attack on Pearl Harbor
The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawa ...
, Subron 5 was covering the first wave of the
Malaya Invasion Force south of the
Cape of Camau,
French Indochina
French Indochina (previously spelled as French Indo-China),; vi, Đông Dương thuộc Pháp, , lit. 'East Ocean under French Control; km, ឥណ្ឌូចិនបារាំង, ; th, อินโดจีนฝรั่งเศส, ...
.
On 9 December 1941, Subron 5 was ordered to
pursue and sink the
Royal Navy
The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by Kingdom of England, English and Kingdom of Scotland, Scottish kings from the early medieval period, the first major maritime engagements were foug ...
Force Z (battleship ,
battlecruiser
The battlecruiser (also written as battle cruiser or battle-cruiser) was a type of capital ship of the first half of the 20th century. These were similar in displacement, armament and cost to battleships, but differed in form and balance of at ...
and supporting
destroyers). Although ''Yura'' received word from that the British ships were spotted, due to poor wireless reception, the signal was unclear and the British vessels were overwhelmed by
torpedo bomber
A torpedo bomber is a military aircraft designed primarily to attack ships with aerial torpedoes. Torpedo bombers came into existence just before the First World War almost as soon as aircraft were built that were capable of carrying the weight ...
s of the 22nd Air Flotilla from bases in Indochina before ''Yura'' and her submarines could take action.
Subron 5 was then assigned to the invasion of
Sarawak
Sarawak (; ) is a state of Malaysia. The largest among the 13 states, with an area almost equal to that of Peninsular Malaysia, Sarawak is located in northwest Borneo Island, and is bordered by the Malaysian state of Sabah to the northeast, ...
from 13–26 December, covering landings in
Brunei
Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, Jawi alphabet, Jawi: , ), is a country located on the north coast of the island of Borneo in Southeast Asia. Apart from its South China Sea coast, it is completely sur ...
,
Miri
)
, subdivision_type = Country
, subdivision_name =
, subdivision_type1 = State
, subdivision_name1 =
, subdivision_type2 = Division
, subdivision_name2 ...
,
Seria
Seria () is a town in Belait District, Brunei, about west from the country's capital Bandar Seri Begawan. The total population was 3,625 in 2016. It was where oil was first struck in Brunei in 1929 and has since become a centre for the count ...
, and
Kuching
Kuching (), officially the City of Kuching, is the capital and the most populous city in the state of Sarawak in Malaysia. It is also the capital of Kuching Division. The city is on the Sarawak River at the southwest tip of the state of Sara ...
. The 2,500 men of the "Kawaguchi Detachment" and the No. 2 Yokosuka
Special Naval Landing Force
The Special Naval Landing Forces (SNLF; ja, 海軍特別陸戦隊, Kaigun Tokubetsu Rikusentai) were naval infantry units of the Imperial Japanese Navy (IJN) and were a part of the IJN Land Forces. They saw extensive service in the Second Sino ...
(SNLF) quickly captured Miri's airfield and oil fields. The operation was completed, and ''Yura'' returned to its base at
Camranh Bay, Indochina by the end of the year.
Subron 5 was also part of the advance screening force for the
Battle of Midway
The Battle of Midway was a major naval battle in the Pacific Theater of World War II that took place on 4–7 June 1942, six months after Japan's attack on Pearl Harbor and one month after the Battle of the Coral Sea. The U.S. Navy under A ...
.
Daigo became
vice admiral on 1 November 1943. He was assigned command of the
Eastern Attack Group which carried out
midget submarine
A midget submarine (also called a mini submarine) is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to six or nine, with little or no on-board living accommodation. They normally work with mother ships, ...
and merchant shipping attacks on the east coast of
Australia.

Daigo was Commandant of the Naval Submarine School from 23 August 1944 and final
Commander in Chief of the
IJN 6th Fleet
The was a fleet of the Imperial Japanese Navy (IJN) that during World War II, had primary responsibility for the command of submarine operations.
History
The 6th Fleet was formed on 15 November 1940, and was assigned general control of all IJN s ...
from 1 May 1945. During these assignments, he was involved in the ''
kaiten
were crewed torpedoes and suicide craft, used by the Imperial Japanese Navy in the final stages of World War II.
History
In recognition of the unfavorable progress of the war, towards the end of 1943 the Japanese high command considered s ...
'' human-torpedo program.
After the end of the war, Daigo was arrested by
SCAP authorities at the request of the
Netherlands
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, map_caption =
, subdivision_type = Sovereign state
, subdivision_name = Kingdom of the Netherlands
, established_title = Before independence
, established_date = Spanish Netherl ...
government, and was extradited to
Batavia in the
Dutch East Indies, where he was charged with
war crimes in connection with the kidnapping, torture and massacre of 21,000 people (including women and children) by Japanese troops in
Pontianak
Pontianak or Khuntien is the capital of the Indonesian province of West Kalimantan, founded first as a trading port on the island of Borneo, occupying an area of 118.31 km2 in the delta of the Kapuas River at a point where it is joined ...
during the
Pontianak incidents
The Pontianak incident consisted of two massacres which took place in Kalimantan during the Japanese occupation of the Dutch East Indies. One of them is also known as the Mandor Affair. The victims were from a wide variety of ethnic groups, an ...
. After being held for several months under severe conditions, he was found guilty in a closed
military tribunal
Military justice (also military law) is the legal system (bodies of law and procedure) that governs the conduct of the active-duty personnel of the armed forces of a country. In some nation-states, civil law and military law are distinct bodie ...
at Pontianak after only three hours of testimony, during which time he was not allowed to speak in his own defense. He was found guilty and executed with a rifle shot to the stomach on 6 December 1947. As Daigo was commander of submarine forces, (although from 8 November 1943 the 22nd Special Guard Division based at
Balikpapan
Balikpapan is a seaport city in East Kalimantan, Indonesia. Located on the east coast of the island of Borneo, the city is the financial center of Kalimantan. Balikpapan is the city with the largest economy in Kalimantan with an estimated ...
,
Borneo
Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...
fell nominally under his command), his connection (if any) with the events in Pontianak from 23 April 1943 – 28 June 1944 remain very unclear. Whereas other "Class B" war criminals found guilty of professional negligence for atrocities committed by junior staff under their nominal command were sentenced to several years in prison,
[Minear, Victor's Justice] the speed and secrecy surrounding his trial, and the severity and brutality of his punishment, have created questions which remain unanswered.
Notable Positions Held
*Crewmember, BB ''Kongo'' - 1 December 1916 – 1 April 1917
*Chief Equipping Officer, SS ''RO-64'' - 15 January 1925 – 30 April 1925
*Commanding Officer, SS ''RO-64'' - 30 April 1925 – 1 December 1925
*Staff Officer, Yokosuka Naval District - 1 December 1925 – 1 March 1926
*ComSubDiv 9–1 December 1932 – 15 November 1933
*ComSubDiv 19–15 November 1933 – 15 November 1934
*Commanding Officer, CL ''Yubari'' - 15 November 1934 – 25 May 1935
*Commanding Officer, CL ''Naka'' - 25 May 1935 – 15 November 1935
*Commanding Officer, CL ''Kuma'' - 15 November 1935 – 1 December 1936
*Commanding Officer, CA ''Takao'' - 1 December 1936 – 3 June 1938
*Commanding Officer, CA ''Ashigara'' - 3 June 1938 – 1 December 1938
*ComSubRon 5–20 October 1941 – 10 July 1942
*Acting Commanding Officer, Kure SubRon - 31 August 1942 – 1 April 1943
*ComSubRon 11–1 April 1943 – 20 October 1943
*Commander-in-Chief, 6th Fleet - 1 May 1945 – 15 September 1945
Dates of Promotion
*Midshipman - 17 July 1912
*Ensign - 1 December 1913
*Sublieutenant - 13 December 1915
*Lieutenant - 1 December 1918
*Lieutenant Commander - 1 December 1924
*Commander - 30 November 1929
*Captain - 15 November 1934
*Rear Admiral - 15 November 1940
*Vice Admiral - 1 November 1943
Ancestry
References
Books
*
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External links
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*
Notes
{{DEFAULTSORT:Daigo, Tadashige
Imperial Japanese Navy admirals
Japanese admirals of World War II
1891 births
1947 deaths
Kazoku
People from Chiyoda, Tokyo
Japanese people convicted of war crimes
Executed military personnel
People executed by the Netherlands by firearm
Japanese people executed abroad
Executed Japanese people
People executed for war crimes