The was a

field army A field army (also known as numbered army or simply army) is a military formation in many armed forces, composed of two or more corps. It may be subordinate to an army group. Air army, Air armies are the equivalent formations in air forces, and ...

of the

Imperial Japanese Army The Imperial Japanese Army (IJA; , ''Dai-Nippon Teikoku Rikugun'', "Army of the Greater Japanese Empire") was the principal ground force of the Empire of Japan from 1871 to 1945. It played a central role in Japan’s rapid modernization during th ...

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 ...

History

The 10th Area Army was originally formed out of the

Taiwan Army of Japan The was an army of the Imperial Japanese Army stationed on the island of Taiwan as a garrison force. Taiwanese were relegated to non-combatant civilian work as manual labourers, porters and Chinese language interpreters. Taiwanese were not allo ...

on September 29, 1944 under the

Imperial General Headquarters The was part of the Supreme War Council (Japan), Supreme War Council and was established in 1893 to coordinate efforts between the Imperial Japanese Army and Imperial Japanese Navy during wartime. In terms of function, it was approximately equi ...

as part of the last desperate defense effort by the

Empire of Japan The Empire of Japan, also known as the Japanese Empire or Imperial Japan, was the Japanese nation state that existed from the Meiji Restoration on January 3, 1868, until the Constitution of Japan took effect on May 3, 1947. From Japan–Kor ...

to deter possible landings of Allied forces in

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 ...

during

Operation Downfall Operation Downfall was the proposed Allied plan for the invasion of the Japanese home islands near the end of World War II. The planned operation was canceled when Japan surrendered following the atomic bombings of Hiroshima and Nagasaki ...

(or in Japanese terminology). It was headquartered in

Taipei , nickname = The City of Azaleas , image_map = , map_caption = , pushpin_map = Taiwan#Asia#Pacific Ocean#Earth , coordinates = , subdivision_type = Country ...

. and consisted of the 32nd army, 40th army, and other smaller units. As priorities after

Battle of Okinawa The , codenamed Operation Iceberg, was a major battle of the Pacific War fought on the island of Okinawa Island, Okinawa by United States Army and United States Marine Corps forces against the Imperial Japanese Army during the Pacific War, Impe ...

shifted, the 40th army headquarters were reassigned to control the units being raised in

Kagoshima Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Kyushu and the Ryukyu Islands. Kagoshima Prefecture has a population of 1,527,019 (1 February 2025) and has a geographic area of 9,187 Square kilometre, km2 (3,547 Square m ...

, and the former units of 40th army were subordinated directly to the ''10th Area Army'' from 14 May 1945. As with similar field armies raised on the

Japanese home islands The is an archipelago of 14,125 islands that form the country of Japan. It extends over from the Sea of Okhotsk in the northeast to the East China and Philippine seas in the southwest along the Pacific coast of the Eurasian continent, and cons ...

during this time, the ''10th Area Army'' consisted mostly of poorly trained

reservists A reservist is a person who is a member of a military reserve force. They are otherwise civilians, and in peacetime have careers outside the military. Reservists usually go for training on an annual basis to refresh their skills. This person ca ...

conscripted Conscription, also known as the draft in the United States and Israel, is the practice in which the compulsory enlistment in a national service, mainly a military service, is enforced by law. Conscription dates back to antiquity and it contin ...

students and home guard militia. In addition, the Japanese had organized the Patriotic Citizens Fighting Corps — which included all healthy men aged 15–60 and women 17–40 — to perform combat support, and ultimately combat jobs. Weapons, training, and uniforms were generally lacking: some men were armed with nothing better than muzzle-loading

musket A musket is a muzzle-loaded long gun that appeared as a smoothbore weapon in the early 16th century, at first as a heavier variant of the arquebus, capable of penetrating plate armour. By the mid-16th century, this type of musket gradually dis ...

longbow A longbow is a type of tall bow that makes a fairly long draw possible. Longbows for hunting and warfare have been made from many different woods in many cultures; in Europe they date from the Paleolithic era and, since the Bronze Age, were mad ...

s, or bamboo spears; nevertheless, they were expected to make do with what they had.Frank, ''Downfall'', p. 188–9. Bauer and Coox, ''OLYMPIC VS KETSU-GO''. The 10th Area Army was

demobilized Demobilization or demobilisation (see spelling differences) is the process of standing down a nation's armed forces from combat-ready status. This may be as a result of victory in war, or because a crisis has been peacefully resolved and militar ...

at the

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 ...

on August 15, 1945 without having seen combat in Taiwan, although units transferred to the

Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Geography of Taiwan, Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi Islands, Ōsumi, Tokara Islands, Tokara and A ...

for the

were annihilated by American forces.

List of Commanders

Notes

References

* *

External links

*{{cite web , last = Wendel , first = Marcus , url = http://www.axishistory.com/index.php?id=6736 , title = Axis History Factbook , work = Japanese Burma Area Army 10 Military units and formations established in 1944 Military units and formations disestablished in 1945