was an
admiral
Admiral is one of the highest ranks in many navies. In the Commonwealth nations and the United States, a "full" admiral is equivalent to a "full" general in the army or the air force. Admiral is ranked above vice admiral and below admiral of ...
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, Potsdam Declaration, when it was dissolved followin ...
during
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
who came to be known as the father of the ''
kamikaze
, officially , were a part of the Japanese Special Attack Units of military aviators who flew suicide attacks for the Empire of Japan against Allied naval vessels in the closing stages of the Pacific campaign of World War II, intending to d ...
''.
Early career

Ōnishi was a native of Ashida village (part of present-day
Tamba City) in
Hyōgo Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Kansai region of Honshu. Hyōgo Prefecture has a population of 5,469,762 () and a geographic area of . Hyōgo Prefecture borders Kyoto Prefecture to the east, Osaka Prefecture to th ...
. He graduated from the 40th class of the
Imperial Japanese Navy Academy, ranked 20 out of a class of 144 cadets in 1912. He served his
midshipman
A midshipman is an officer of the lowest Military rank#Subordinate/student officer, rank in the Royal Navy, United States Navy, and many Commonwealth of Nations, Commonwealth navies. Commonwealth countries which use the rank include Royal Cana ...
term on the
cruiser
A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several operational roles from search-and-destroy to ocean escort to sea ...
and
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 att ...
and after he was commissioned an
ensign
Ensign most often refers to:
* Ensign (flag), a flag flown on a vessel to indicate nationality
* Ensign (rank), a navy (and former army) officer rank
Ensign or The Ensign may also refer to:
Places
* Ensign, Alberta, Alberta, Canada
* Ensign, Ka ...
, he was assigned to the
battleship
A battleship is a large, heavily naval armour, armored warship with a main battery consisting of large naval gun, guns, designed to serve as a capital ship. From their advent in the late 1880s, battleships were among the largest and most form ...
.
As a sub-lieutenant, he was assigned to the
seaplane tender
A seaplane tender is a boat or ship that supports the operation of seaplanes. Some of these vessels, known as seaplane carriers, could not only carry seaplanes but also provided all the facilities needed for their operation; these ships are rega ...
, and helped develop the
Imperial Japanese Navy Air Service
The (IJNAS) was the air arm of the Imperial Japanese Navy (IJN). The organization was responsible for the operation of naval aircraft and the conduct of aerial warfare in the Pacific War.
The Japanese military acquired its first aircraft in ...
in its early stages. He was also dispatched to England and France in 1918, to learn more about the development of
combat aircraft
A military aircraft is any fixed-wing or rotary-wing aircraft that is operated by a legal or insurrectionary military of any type. Some military aircraft engage directly in aerial warfare, while others take on support roles:
* Combat aircraft, ...
and their use in
World War I
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
. After his return, he was promoted to
lieutenant
A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a Junior officer, junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, Security agency, security services ...
, and assigned to the
Yokosuka Naval Air Group from 1918 to 1920. He continued to serve in various staff positions related to
naval aviation
Naval aviation / Aeronaval is the application of Military aviation, military air power by Navy, navies, whether from warships that embark aircraft, or land bases.
It often involves ''navalised aircraft'', specifically designed for naval use.
Seab ...
through the 1920s, and was also a flight instructor at Kasumigaura.
After his promotion to
lieutenant commander, Ōnishi was assigned to the
aircraft carrier
An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and hangar facilities for supporting, arming, deploying and recovering carrier-based aircraft, shipborne aircraft. Typically it is the ...
on 10 December 1928 as commander of the
carrier air wing
A carrier air wing (abbreviated CVW) is an operational naval aviation organization composed of several aircraft squadron (aviation), squadrons and detachments of various types of fixed-wing aircraft, fixed-wing and rotorcraft, rotary-wing a ...
. He became
executive officer
An executive officer is a person who is principally responsible for leading all or part of an organization, although the exact nature of the role varies depending on the organization.
In many militaries and police forces, an executive officer ...
of the aircraft carrier on 15 November 1932. He was promoted to
rear admiral
Rear admiral is a flag officer rank used by English-speaking navies. In most European navies, the equivalent rank is called counter admiral.
Rear admiral is usually immediately senior to commodore and immediately below vice admiral. It is ...
on 15 November 1939 and
chief of staff
The title chief of staff (or head of staff) identifies the leader of a complex organization such as the armed forces, institution, or body of persons and it also may identify a principal staff officer (PSO), who is the coordinator of the supportin ...
of the
11th Air Fleet
The was a grouping of naval aviation and surface units.
Assignments and Components
Commanders
Chiefs of Staff
Notes
References
*
{{Use dmy dates, date=June 2017
Fleets of the Imperial Japanese Navy
Units of the Imperial Japanese N ...
.
World War II

Early in the
Pacific Campaign of
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, Ōnishi was the head of the Naval Aviation Development Division in the
Ministry of Munitions
The Minister of Munitions was a British government position created during the First World War to oversee and co-ordinate the production and distribution of munitions for the war effort. The position was created in response to the Shell Crisis o ...
and was responsible for some of the technical details 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 Empire of Japan on the United States Pacific Fleet at Naval Station Pearl Harbor, its naval base at Pearl Harbor on Oahu, Territory of ...
in 1941 under the command of Admiral
Isoroku Yamamoto
was a Marshal Admiral of the Imperial Japanese Navy (IJN) and the commander-in-chief of the Combined Fleet during World War II. He commanded the fleet from 1939 until his death in 1943, overseeing the start of the Pacific War in 1941 and J ...
. Ōnishi had opposed the attack on the grounds that it would lead to a full-scale war with a foe that had the resources to overpower Japan into an
unconditional surrender
An unconditional surrender is a surrender in which no guarantees, reassurances, or promises (i.e., conditions) are given to the surrendering party. It is often demanded with the threat of complete destruction, extermination or annihilation.
Anno ...
. Nevertheless, his 11th Air Fleet had a critical role in the operations in attacking American forces in the
Philippines
The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
from Japanese-occupied
Taiwan
Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
.
On 1 May 1943, he was promoted to
vice admiral
Vice admiral is a senior naval flag officer rank, usually equivalent to lieutenant general and air marshal. A vice admiral is typically senior to a rear admiral and junior to an admiral.
Australia
In the Royal Australian Navy, the rank of Vice ...
. As an admiral, Ōnishi was also very interested in
psychology
Psychology is the scientific study of mind and behavior. Its subject matter includes the behavior of humans and nonhumans, both consciousness, conscious and Unconscious mind, unconscious phenomena, and mental processes such as thoughts, feel ...
, particularly in relation to soldier's reactions under critical circumstances. In 1938, he had published a book on the subject: ''War Ethics of the Imperial Navy''.
After October 1944, Ōnishi became the commander of the
First Air Fleet in the northern Philippines. While he is commonly credited with having devised the tactic of suicide air attacks (''
kamikaze
, officially , were a part of the Japanese Special Attack Units of military aviators who flew suicide attacks for the Empire of Japan against Allied naval vessels in the closing stages of the Pacific campaign of World War II, intending to d ...
'') on Allied aircraft carriers, the project predated his tenure and was one that he had originally opposed as "heresy." Following the loss of the
Mariana Islands
The Mariana Islands ( ; ), also simply the Marianas, are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the northwestern Pacific Ocean, between the 12th and 21st pa ...
, and facing orders to destroy the
US Navy
The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...
′s aircraft carrier fleet in advance of Operation Sho, Onishi changed his position and ordered the attacks. In a meeting at
Mabalacat Airfield (known to the US military as
Clark Air Base
Clark Air Base is a Philippine Air Force base in Luzon, located west of Angeles City, and about northwest of Metro Manila. It was previously operated by the U.S. Air Force and, before that, the U.S. Army, from 1903 to 1991. The base cov ...
), near
Manila
Manila, officially the City of Manila, is the Capital of the Philippines, capital and second-most populous city of the Philippines after Quezon City, with a population of 1,846,513 people in 2020. Located on the eastern shore of Manila Bay on ...
on 19 October 1944, Ōnishi, who was visiting the 201st Navy Flying Corps headquarters, said, "In my opinion, there is only one way of assuring that our meager strength will be effective to a maximum degree. That is to organize suicide attack units composed of
A6M Zero
The Mitsubishi A6M "Zero" is a long-range Carrier-based aircraft, carrier-capable fighter aircraft formerly manufactured by Mitsubishi Aircraft Company, a part of Mitsubishi Heavy Industries. It was operated by the Imperial Japanese Navy (IJN) ...
fighters armed with 250-kilogram bombs, with each plane to crash-dive into an enemy carrier.... What do you think?"
He addressed the first ''kamikaze'' unit and announced that its nobility of spirit would keep the homeland from ruin even in defeat. After his recall to
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
, Ōnishi became Vice Chief of the
Imperial Japanese Navy General Staff
The was the highest organ within the Imperial Japanese Navy (IJN). In charge of planning and operations, it was headed by an Admiral headquartered in Tokyo.
History
Created in 1893, the Navy General Staff took over operational (as opposed to a ...
on 19 May 1945.
Just before the end of the war, Ōnishi pushed for continuing the fight and said that the sacrifice of 20 million more Japanese lives would make Japan victorious.
Death
Ōnishi committed ritual suicide (''
seppuku
, also known as , is a form of Japanese ritualistic suicide by disembowelment. It was originally reserved for samurai in their code of honor, but was also practiced by other Japanese people during the Shōwa era (particularly officers near ...
'') in his quarters on 16 August 1945 after the unconditional
surrender of Japan
The surrender of the Empire of Japan in World War II was Hirohito surrender broadcast, announced by Emperor Hirohito on 15 August and formally Japanese Instrument of Surrender, signed on 2 September 1945, End of World War II in Asia, ending ...
at the end of World War II.
Yoshio Kodama was a witness, but subsequently unable to bring himself to commit seppuku.
Ōnishi's
suicide note
A suicide note or death note is a message written by a person who intends to die by suicide.
A study examining Japanese suicide notes estimated that 25–30% of suicides are accompanied by a note. However, incidence rates may depend on ethnic ...
apologized to the approximately 4,000 pilots he had sent to their deaths, and he urged all young civilians who had survived the war to work towards rebuilding Japan and peace among nations. He also stated that he would offer his death as a penance to the ''kamikaze'' pilots and their families. Accordingly, he did not use a ''
kaishakunin'', the usual second who executes by beheading, and so died of self-inflicted injuries over a period of 15 hours.
The sword with which Ōnishi committed suicide is kept at the
Yūshūkan Museum in
Yasukuni Shrine
is a Shinto shrine located in Chiyoda, Tokyo. It was founded by Emperor Meiji in June 1869 and commemorates those who died in service of Empire of Japan, Japan, from the Boshin War of 1868–1869, to the two Sino-Japanese Wars, First Sino-Japane ...
, in Tokyo. Ōnishi's ashes were divided between two graves: one at the
Zen
Zen (; from Chinese: ''Chán''; in Korean: ''Sŏn'', and Vietnamese: ''Thiền'') is a Mahayana Buddhist tradition that developed in China during the Tang dynasty by blending Indian Mahayana Buddhism, particularly Yogacara and Madhyamaka phil ...
temple of
Sōji-ji
is one of two of the Sōtō school of Zen Buddhism. The other is Eihei-ji temple in Fukui Prefecture. ''Fodor's'' calls it "one of the largest and busiest Buddhist institutions in Japan". The temple was founded in 740 as a Shingon Buddhist temp ...
in
Tsurumi,
Yokohama
is the List of cities in Japan, second-largest city in Japan by population as well as by area, and the country's most populous Municipalities of Japan, municipality. It is the capital and most populous city in Kanagawa Prefecture, with a popu ...
, and the other at the public cemetery in the former Ashida Village in Hyōgo Prefecture.
In film
* The Japanese actor Tōru Abe portrayed Ōnishi in the 1970 film ''
Tora! Tora! Tora!'' (uncredited).
* Ōnishi was also portrayed in the
Toei 1970 production ''Saigo no Tokkōtai'' (最後の特攻隊, directed by
Junya Sato), ''The Last Kamikaze'' in English.
*
Toei produced a biographical film in 1974, ''Ā Kessen Kōkūtai''
''Ā Kessen Kōkūtai'' on IMDB
/ref> (あゝ決戦航空隊, directed by Kōsaku Yamashita), ''Father of the Kamikaze'' in English.
See also
*''Kamikaze
, officially , were a part of the Japanese Special Attack Units of military aviators who flew suicide attacks for the Empire of Japan against Allied naval vessels in the closing stages of the Pacific campaign of World War II, intending to d ...
''
References
Notes
Books
*
*
*
*
*
*Peattie, Mark R., ''Sunburst: The Rise of Japanese Naval Air Power 1909–1941'', Annapolis, Maryland: Naval Institute Press, 2001,
*
External links
One of the commanders who ordered the Kamikaze operation
*
*
*
*
{{DEFAULTSORT:Onishi, Takijiro
1891 births
1945 suicides
1945 deaths
Military personnel from Hyōgo Prefecture
Japanese naval aviators
Kamikaze
Japanese admirals of World War II
Japanese military personnel who died by suicide
Seppuku from Meiji era to present
Suicides by sharp instrument in Japan
Bombing of Chongqing