The Borneo

Borneo

Borneo is the third largest island in the world and is located north of Java Island, Indonesia, at the geographic centre of Maritime Southeast Asia....

 Campaign of 1945 was the last major Allied

Allies of World War II

The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

 campaign in the South West Pacific Area

South West Pacific Area

South West Pacific Area was the name given to the Allied supreme military command in the South West Pacific Theatre of World War II. It was one of four major Allied commands in the Pacific theatres of World War II, during 1942–45...

, during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. In a series of amphibious assaults between 1 May and 21 July, the Australian I Corps

Australian I Corps

I Corps of the Australian Army was its main frontline corps during World War II. Various Australian and other Allied divisions came under its control at different times. In 1940–42, the corps was based in the Mediterranean Theatre...

, under General Leslie Morshead

Leslie Morshead

Lieutenant General Sir Leslie James Morshead KCB, KBE, CMG, DSO, ED was an Australian soldier, teacher, businessman, and farmer, with a distinguished military career that spanned both world wars...

, attacked Japanese

Empire of Japan

The Empire of Japan is the name of the state of Japan that existed from the Meiji Restoration on 3 January 1868 to the enactment of the post-World War II Constitution of...

 forces occupying the island. Allied naval and air forces, centred on the U.S. 7th Fleet under Admiral Thomas Kinkaid, the Australian First Tactical Air Force

Australian First Tactical Air Force

The Australian First Tactical Air Force was formed on 25 October 1944 by the Royal Australian Air Force . Its purpose was to provide a mobile force of fighter and ground attack aircraft that could support Allied army and naval units fighting the Empire of Japan in the South West Pacific Area...

 and the U.S. Thirteenth Air Force

Thirteenth Air Force

The Thirteenth Air Force is a numbered air force of the United States Air Force Pacific Air Forces . It is headquartered at Hickam Air Force Base on the island of Oahu, Hawaii. 13 AF has never been stationed in the continental United States...

 also played important roles in the campaign. They were resisted by Imperial Japanese Navy

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

 and Army

Imperial Japanese Army

-Foundation:During the Meiji Restoration, the military forces loyal to the Emperor were samurai drawn primarily from the loyalist feudal domains of Satsuma and Chōshū...

 forces in southern and eastern Borneo, under Vice-Admiral Michiaki Kamada

Michiaki Kamada

was a Vice-Admiral of the Imperial Japanese Navy and saw service in the Pacific Theatre of World War II.-Biography:...

, and in the north west by the Thirty-Seventh Army, led by Lieutenant-General Baba Masao

Baba Masao

was a Lieutenant General of the Imperial Japanese Army in World War II, commanding the Japanese ground forces of the Borneo Campaign of 1945 in the closing months of the war. The campaign would be the last major Allied offensive of the war in the South West Pacific Area...

.

The plans for the Allied attacks were known collectively as Operation Oboe.