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 ...

(IJA) during World War II. It was originally the 14th Army, formed on November 6, 1941, for the upcoming invasion of the Philippines. It was reorganized 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 ...

on July 28, 1944, when Allied landings were considered imminent. The Fourteenth Area Army was formed by reinforcing and renaming the . (An IJA "area army" was equivalent to a field army in other militaries, while an IJA "army" was a smaller,

corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was formally introduced March 1, 1800, when Napoleon ordered Gener ...

-level formation.)

History

The Japanese 14th Army was formed on November 6, 1941, under the

Southern Expeditionary Army Group The was a general army of the Imperial Japanese Army during World War II. It was responsible for all military operations in South East Asian and South West Pacific campaigns of World War II. Its military symbol was NA. The Southern Expediti ...

for the specific task of invading and occupying the

. It initially consisted of the IJA 16th Division, 48th Division, 56th Division, and 65th Independent Mixed Infantry Brigade. In January 1942, the 48th Division was detached and reassigned to the

Japanese Sixteenth Army The was an army of the Imperial Japanese Army during World War II. History The Japanese 16th Army was formed on November 5, 1941, under the Southern Expeditionary Army Group to coordinate the infantry divisions and other Japanese ground forces ...

for the invasion of the Netherlands East Indies, and was replaced with the Fourth Division. As the army was still fighting in the Philippines, its commanding officer, Lieutenant General

Masaharu Homma was a lieutenant general in the Imperial Japanese Army during World War II. Homma commanded the Japanese 14th Army, which invaded the Philippines and perpetrated the Bataan Death March. After the war, Homma was convicted of war crimes relating ...

, requested more reinforcements. The 10th Independent Garrison was sent to the Philippines as was the 21st Division Infantry Group, and the First Field Artillery Headquarters to command the field artillery units. The Fourth and Seventh Tank Regiments were part of the 14th Army, as well as the First, Eighth, and 16th Field Artillery Regiments and the 9th Independent Field Artillery Battalion. This army was responsible for the

Bataan Death March The Bataan Death March was the Death march, forcible transfer by the Imperial Japanese Army of around 72,000 to 78,000 American and Filipino prisoners of war (POWs) from the municipalities of Bagac and Mariveles on the Bataan Peninsula to Camp ...

after the surrender of US and Filipino forces in Bataan, and the 65th Independent Brigade was also accused of the Mariveles Massacre. The 14th Army came under the direct control of

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 ...

in June, 1942; however, the Southern Expeditionary Army Group in

Saigon Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025. The city's geography is defined by rivers and canals, of which the largest is Saigo ...

continued to issue orders, at times in conflict with those received from Tokyo, and the 14th's commanding officer was plagued by insubordination from junior officers who used the situation to issue orders without his approval, or to countermand orders with which they did not agree. In August 1942, Homma was replaced by Lieutenant General

Shizuichi Tanaka was a general in the Imperial Japanese Army and Japanese Governor-General of the Philippines#Japanese military governors (1942–1945), Military Governor of the Philippines during World War II. Biography Early life and military service Tanaka ...

.Who's Who in Twentieth Century Warfare by Spencer Tucker
/ref> In July 1942 the

4th Division In military terms, 4th Division may refer to: Infantry divisions *4th (Quetta) Division, British Indian Army * 4th Alpine Division Cuneense, Italy * 4th Blackshirt Division (3 January), Italy *4th Canadian Division *4th Division (Australia) * 4th ...

came under control of the 14th Army, as did the 30th Division, which was assigned to the defense of

Mindanao Mindanao ( ) is the List of islands of the Philippines, second-largest island in the Philippines, after Luzon, and List of islands by population, seventh-most populous island in the world. Located in the southern region of the archipelago, the ...

. As the war situation continued to deteriorate for Japan, and Allied forces prepared to invade the Philippines, the 14th Army restructured its independent infantry brigades and reserves to form the new 100th, 102nd, 103rd, and 105th Divisions. In March 1944 the 14th Army officially reverted to the control of the Southern Expeditionary Army Group. On July 28, 1944, the Japanese 14th Army officially became the Japanese 14th Area Army. Two more divisions (the 8th Division and the 10th Division) arrived in August 1944 as reinforcements, and also in August the 35th Army came under its control. On October 10, 1944, General

Tomoyuki Yamashita was a Japanese general in the Imperial Japanese Army during World War II. Yamashita led Japanese forces during the invasion of Malaya and Battle of Singapore. His conquest of Malaya and Singapore in 70 days earned him the sobriquet "The Tig ...

assumed the command of the 14th Area Army to defend the Philippines. In the various battles of the

Philippines campaign (1944–45) Philippines campaign may refer to various military campaigns that have been fought in the Philippine Islands, including: Spanish colonial period (1565–1898) *Numerous revolts against Spain during the Spanish colonial period; see Philippine revo ...

against combined American and

Philippine Commonwealth The Commonwealth of the Philippines (; ) was an unincorporated territory and commonwealth of the United States that existed from 1935 to 1946. It was established following the Tydings–McDuffie Act to replace the Insular Government of the Phi ...

armed forces in

Leyte Leyte ( ) is an island in the Visayas group of islands in the Philippines. It is eighth-largest and sixth-most populous island in the Philippines, with a total population of 2,626,970 as of 2020 census. Since the accessibility of land has been ...

and parts of

Luzon Luzon ( , ) is the largest and most populous List of islands in the Philippines, island in the Philippines. Located in the northern portion of the List of islands of the Philippines, Philippine archipelago, it is the economic and political ce ...

, the Japanese 14th Area Army suffered over 350,000 casualties, including virtually all of the 18,000 men of the 16th Infantry Division in the

Battle of Leyte The Battle of Leyte (; ; ) in the Pacific campaign of World War II was the amphibious invasion of the island of Leyte in the Philippines by American forces and Filipino guerrillas under the overall command of General Douglas MacArthur, who fou ...

. Troops of the 14th Area Army were responsible for the Palawan Massacre of December 14, 1944.

List of commanders

Commanding officer

Chief of staff

Structure

Notes

References

* * * * * *

External links

*{{cite web , last = Wendel , first = Marcus , url = http://www.axishistory.com/index.php?id=6748 , title = Axis History Factbook , work = Japanese Fourteenth Area Army 14 Military units and formations established in 1942 Military units and formations disestablished in 1945 Manila in World War II