|South East Asia Command|
South East Asian Command insignia
|Active||1943 to 1946|
|Garrison/HQ||Kandy, British Ceylon|
Background[edit | edit source]
The initial supreme commander of the theatre was General Sir Archibald Wavell while head of the short-lived American-British-Dutch-Australian Command which was dissolved after the fall of Singapore and the Dutch East Indies. In August 1943, the Allies created the combined South East Asian Command, to assume overall strategic command of all air sea and land operations of all national contingents in the theatre. In August 1943, with the agreement of the Combined Chiefs of Staff, Winston Churchill appointed Admiral Lord Louis Mountbatten as Supreme Allied Commander South East Asia, a post he held until 1946. The American General Joseph Stilwell was the first deputy supreme Allied commander, as well as heading the US China Burma India Theater (CBI) command. Mountbatten arrived in India on 7 October and SEAC came formally into being in Delhi at midnight 15–16 November. The headquarters moved in April 1944 to Kandy in Ceylon.
On 2 December 1943 the Combined Chiefs of Staff approved in principle a staff plan designating the main effort against Japan to be the Pacific as the most rapid means of coming in range of the home islands for aerial bombardment. The secondary advance was "along the New Guinea-N.E.I.-Philippine axis" under the South West Pacific Area Command. The South East Asia theater, along with the North Pacific, the South Pacific and China efforts were designated to be supportive. At that time available forces were seen to be limited due to British commitment against Germany with major advances not anticipated until autumn of 1944 and after the defeat of Germany. The focus on the Central Pacific and South West Pacific were a compromise reached at the Casablanca Conference in which British views focused on the war against Germany with the entire war against Japan being limited "to the defense of a fixed line in front of those positions that must be held"—an approach unacceptable to the United States. Offensive actions in Burma, support of China and other theater activity beyond holding a defensive line in South East Asia, the position of the British Chiefs, were the result of U.S. demands that the Japanese be kept off balance throughout areas of Allied/Japanese contact.
Description[edit | edit source]
The initial land forces operational area for SEAC was India, Burma, Ceylon, Malaya, Sumatra, and, for offensive operations, Siam (Thailand) and French Indochina. On August 15, 1945 this was expanded to include the Dutch East Indies and French Indochina.
Command arrangements in SEAC were always complicated. Ideally there should have been under the Supreme Commander a Commander in Chief for each of the land sea and air forces. This was implemented for the naval and air forces but the British 11th Army Group, under SEAC itself, controlled only British forces. US and Chinese forces serving in the South East Asian theatre, organised as the Northern Combat Area Command or NCAC commanded by Stilwell, answered directly to the Supreme Commander because Stilwell refused to serve under the 11th Army Group commander George Giffard. The Eleventh Army Group had the Fourteenth Army on the Burma front, and the British garrison in Ceylon under its direct command. Stilwell also served as Chief of Staff to Chiang Kai-Shek, who was officially the Supreme Allied Commander in China. Air Chief Marshal Sir Richard Peirse was appointed the Air Commander in Chief under Mountbatten. Air units taking part in the Burma Campaign were, at first, part of either the RAF Third Tactical Air Force or the USAAF Tenth Air Force. Tenth Air Force came under SEAC only through Stilwell as commanding General CBI Theater. To avoid a potentially cumbersome chain of command and overlapping effort Mountbatten gave orders in December for the two air forces to be integrated under the name Eastern Air Command. The US Fourteenth Air Force, which was based in China and the US Twentieth Air Force — strategic bomber units based in India — were never controlled by SEAC but their operations were coordinated with SEAC. At sea, the command structure was relatively simple, since the Royal Navy was providing almost all naval forces in the area. Admiral Sir James Somerville, Commander-in-Chief, Eastern Fleet, became the naval commander under Mountbatten.
It was not until late 1944 that the land forces chain of command was clarified, after Stilwell was recalled to Washington. His overall role, and the CBI command were then split among three people: Lt Gen. Raymond Wheeler became Deputy Supreme Allied Commander South East Asia; Maj. Gen. Albert Wedemeyer became Chief of Staff to Chiang, and commander of US Forces, China Theater (USFCT). Lt Gen. Daniel Sultan was promoted, from deputy commander of CBI to commander of US Forces, India-Burma Theater (USFIBT) and commander of the NCAC. The 11th Army Group was redesignated Allied Land Forces South East Asia (ALFSEA) under a new commander Lieutenant-General Oliver Leese who had relinquished command of the Eighth Army in Italy, and NCAC (which by this time included Chinese, American and British units) was placed under ALFSEA. As the drive to liberate Burma began in earnest however, Chiang Kai-Shek and Wedemeyer made increasing demands for NCAC's formations to be moved to the China Theater to meet the threat of Japanese attacks from the north. Once the Burma Road from Mandalay to Chungking was secured NCAC became passive and in March 1945 Mountbatten agreed to the US and Chinese troops in NCAC being gradually withdrawn to the China.
In February 1945 Air Marshal Keith Park was appointed Allied Air Commander of South-East Asia Command [SEAC] where he served until the end of the war.
Once most of Burma was re-captured by Fourteenth Army, the command turned its attention towards its next major operational objective: Malaya. However, the use of atomic bombs on the Japanese mainland brought the war to an abrupt end.
Post–World War II[edit | edit source]
The command shifted its emphasis from combat operations to military government, and the repatriation of internees and prisoners of war.
The borders of SEAC were adjusted in the aftermath of the war. French Indochina was added, along with Borneo — most of which had already been captured by Australian forces, under the South West Pacific Command — and Java. This added immensely to the problems of the command. Western governments expected SEAC to re-establish colonial regimes in territories lost to Japan in 1941-45, and in which anti-colonial, nationalist forces had gained strength.
British Commonwealth troops were landed in the Dutch East Indies (Indonesia) and Indochina to facilitate the return of forces from the pre-war colonial powers. The force landed in the East Indies was the Indian XV Corps, which included 5th Indian Infantry Division, 23rd Indian Infantry Division and 5th Parachute Brigade. Military government was soon established in Burma, Malaya, Singapore and British Borneo. Sarawak and Sumatra did not prove to be major headaches for the British, except that one Japanese unit in Borneo refused to surrender until November 1945.
Thailand, although it had officially been an ally of Japan, quickly resumed both its independence and its ties with the western powers.
Because of shortages of personnel, some use was made of Japanese Surrendered Personnel (JSP) in these areas. The Allies found that their war-time allies in the Viet Minh in Indochina, and Indonesian nationalist forces in the East Indies, were well armed, well-organised and determined. It was intended that British forces would temporarily enforce military government over a small section of Indochina, because of local resistance, logistics and French sensibilities. However, in the end the commander of British forces declared de facto military government, to make it possible for French forces to return.
Indonesian National Revolution, 1945-46[edit | edit source]
Aided by armed militias formed by the Japanese during the occupation, Indonesian nationalists in Java declared the Dutch East Indies a republic, and independent from the Netherlands. The British intended that the Dutch colonial administration should return, and assisted a small military contingent, the Netherlands Indies Civil Administration (NICA). However they initially avoided significant conflict with the nationalists. It was only possible for British forces to establish military government in parts of Indonesia, and they found that the location of Allied prisoners of war — and civilians interned by Japanese forces — were sometimes used by nationalists in bargaining for political ends.
British troops found themselves in increasing conflict with the nationalists. The nationalists attacked JSP garrisons awaiting repatriation, in order to seize their arms. A British Brigadier, A. W. S. Mallaby, was killed, as he pushed for the nationalists to surrender their weapons. As a result, on November 10, 1945, Surabaya was attacked by British forces, leading to the bloody Battle of Surabaya. The city was secured later that month. The battle for Surabaya was the bloodiest single engagement of the Indonesian National Revolution (1945–49). However, the British were reluctant to devote their scarce resources to a defence of Dutch interests, and withdrew from Indonesia.
Disbandment[edit | edit source]
As 1946 drew on, under its second and final commander, Lieutenant-General Montagu Stopford (June to November 1946), SEAC discharged its final tasks and was disbanded. It was no longer felt that a joint command was needed in the area.
Notes[edit | edit source]
- Woodburn Kirby 2004c, p. 11.
- Woodburn KIrby 2004c, p. 45.
- Woodburn Kirby 2004c, p. 52.
- Morton 1962, pp. 668-669.
- Morton 1962, pp. 670-671.
- Morton 1962, p. 381.
- Morton 1962, pp. 382-386.
- Woodburn Kirby 2004c, p. 47.
- Woodburn Kirby 2004c, pp. 45 to 49.
- Woodburn Kirby 2004d, pp. 117-119.
- Woodburn Kirby 2004e, p. 2.
- Graham Watson, Allied Land Forces South East Asia 1945, Orbat.com, accessed November 2008
References[edit | edit source]
- Morton, Louis (1962). Strategy and Command – The First Two Years. Washington, D.C.: United States Army Center of Military History. OCLC 63151391. http://www.history.army.mil/html/books/005/5-1/CMH_Pub_5-1.pdf. Retrieved 4 May 2013.
- Woodburn Kirby, Major-General S. (2004c) [1st. pub. HMSO:1961]. Butler, Sir James. ed. The War Against Japan, Volume III: The Decisive Battles. History of the Second World War, United Kingdom Military Series. Uckfield, UK: Naval & Military Press. ISBN 1-84574-062-9.
- Woodburn Kirby, Major-General S. (2004d) [1st. pub. HMSO:1965]. Butler, Sir James. ed. The War Against Japan, Volume IV: The Reconquest of Burma. History of the Second World War, United Kingdom Military Series. Uckfield, UK: Naval & Military Press. ISBN 1-845740-63-7.
- Woodburn Kirby, Major-General S. (2004e) [1st. pub. HMSO:1969]. Butler, Sir James. ed. The War Against Japan, Volume V: The Surrender of Japan. History of the Second World War, United Kingdom Military Series. Uckfield, UK: Naval & Military Press. ISBN 1-845740-64-5.
Further reading[edit | edit source]
- Jon Latimer, Burma: The Forgotten War, London: John Murray, 2004. ISBN 978-0-7195-6576-2
- Peter Dennis, Troubled days of peace : Mountbatten and South East Asia command, 1945–46, Manchester : Manchester University Press, 1987, ISBN 0719022053.
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