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British Commonwealth Occupation Force Wiki2Web Clarity Challenge

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Study Guide: The British Commonwealth Occupation Force (BCOF) in Japan: Post-World War II Operations

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The British Commonwealth Occupation Force (BCOF) in Japan: Post-World War II Operations Study Guide

BCOF Formation and Mandate

The British Commonwealth Occupation Force (BCOF) was primarily responsible for supervising the demilitarisation of Japan and the disposal of its war industries.

Answer: True

Explanation: The source explicitly states that the BCOF's primary purpose was to supervise the demilitarisation and disposal of Japan's war industries, distinguishing its role from that of United States Forces Japan.

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The BCOF was active in Japan for approximately three years, from 1946 to 1949.

Answer: False

Explanation: The British Commonwealth Occupation Force (BCOF) was active from February 21, 1946, until April 28, 1952, which is approximately six years, not three.

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At its peak, the BCOF comprised 40,000 personnel, representing half of the total occupation force in Japan.

Answer: False

Explanation: While the BCOF did comprise approximately 40,000 personnel at its peak, this constituted 25% of the total occupation force in Japan, not half.

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Japan's surrender to the Allies on August 15, 1945, was primarily a result of the naval blockade imposed by Allied forces.

Answer: False

Explanation: Japan's surrender on August 15, 1945, followed the atomic bombings of Hiroshima and Nagasaki and the Soviet Union's entry into the war, not primarily a naval blockade.

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The Soviet Union had significant influence over the Allied occupation of Japan, similar to its role in Germany.

Answer: False

Explanation: Unlike the occupation of Germany, the Soviet Union had little to no influence over the occupation of Japan.

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The British Commonwealth Occupation Force was responsible for military government duties, while United States Forces Japan focused on demilitarisation.

Answer: False

Explanation: The division of labor was the opposite: United States Forces Japan was responsible for military government, while the BCOF focused on demilitarisation and disposal of war industries.

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What was the primary responsibility assigned to the British Commonwealth Occupation Force (BCOF) in Japan?

Answer: Supervising the demilitarisation of Japan and disposal of its war industries.

Explanation: The primary responsibility of the BCOF was to supervise the demilitarisation of Japan and the disposal of its war industries, as distinct from the military government duties of United States Forces Japan.

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At its peak, the BCOF comprised approximately 40,000 personnel, which constituted what percentage of the total occupation force in Japan?

Answer: 25%

Explanation: At its peak, the BCOF's 40,000 personnel constituted 25% of the total occupation force in Japan.

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How did the Soviet Union's influence in the occupation of Japan differ from its role in Germany?

Answer: The Soviet Union had little to no influence in Japan, unlike in Germany.

Explanation: Unlike the occupation of Germany, where the Soviet Union had significant influence, the Soviet Union had minimal influence over the occupation of Japan.

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The initial contingent of BCOF personnel arrived in Japan on what specific date?

Answer: February 21, 1946

Explanation: The initial contingent of BCOF personnel arrived in Japan on February 21, 1946.

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Composition and Command Structure

All Commanders-in-Chief of the BCOF were officers from the United Kingdom.

Answer: False

Explanation: The position of Commander-in-Chief of the British Commonwealth Occupation Force was consistently held by an Australian officer, not a British officer.

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New Zealand contributed the largest number of personnel to the BCOF for most of the occupation period.

Answer: False

Explanation: Australia contributed the largest number of personnel to the British Commonwealth Occupation Force for the majority of the occupation period.

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The initial ground force presence of the BCOF included the Australian 34th Brigade and the British 5th Infantry Brigade Group.

Answer: True

Explanation: The initial ground force presence of the BCOF included the Australian 34th Brigade and the British 5th Infantry Brigade Group, which was part of the British Indian Division.

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The Women's Auxiliary Service (Burma) was a combat unit that provided direct security for BCOF personnel.

Answer: False

Explanation: The Women's Auxiliary Service (Burma) was a support organization that provided amenities to BCOF personnel, not a combat unit providing direct security.

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The British Pacific Fleet, primarily consisting of British ships, initially supported the BCOF's naval operations.

Answer: True

Explanation: The British Pacific Fleet, primarily composed of British ships, initially provided the majority of naval support for the BCOF.

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The air component of the BCOF, BCAIR, included squadrons from the Royal Australian Air Force, Royal Air Force, and Indian Air Force.

Answer: True

Explanation: The British Commonwealth Air Forces (BCAIR) included squadrons from the Royal Australian Air Force, Royal Air Force, and Indian Air Force, along with the Royal New Zealand Air Force.

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The 34th Australian Infantry Brigade within the BCOF included the 65th, 66th, and 67th Battalions.

Answer: True

Explanation: The 34th Australian Infantry Brigade was indeed composed of the 65th, 66th, and 67th Battalions.

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The 9th New Zealand Infantry Brigade (J Force) included the 22nd and 27th Battalions.

Answer: True

Explanation: The 9th New Zealand Infantry Brigade (J Force) consisted of the 22nd Battalion, the 27th Battalion, and the 2nd Divisional Cavalry Regiment.

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Major General David Cowan commanded the British Indian Division (BRINDIV) from 1947 to 1950.

Answer: False

Explanation: Major General David Cowan commanded the British Indian Division (BRINDIV) from 1945 to 1947, not from 1947 to 1950.

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Which of the following countries contributed military forces to the British Commonwealth Occupation Force, but withdrew its troops before 1948?

Answer: India

Explanation: India contributed forces to the BCOF but withdrew its troops by 1947, prior to 1948, when only Australian personnel remained.

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Which nationality consistently held the position of Commander-in-Chief of the British Commonwealth Occupation Force?

Answer: Australian

Explanation: The position of Commander-in-Chief of the British Commonwealth Occupation Force was consistently held by an Australian officer.

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Which Commonwealth nation provided the majority of BCOF's personnel for most of the occupation period?

Answer: Australia

Explanation: Australia contributed the largest number of personnel to the BCOF for the majority of the occupation period.

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Which of the following was NOT an initial ground force unit that comprised the British Commonwealth Occupation Force?

Answer: United States 1st Cavalry Division

Explanation: The initial ground force presence of the BCOF included the Australian 34th Brigade, the 9th Brigade of the 2nd New Zealand Expeditionary Force, and the British Indian Division (BRINDIV). The United States 1st Cavalry Division was not part of the BCOF.

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The Women's Auxiliary Service (Burma) supported the British Commonwealth Occupation Force by providing what to its personnel?

Answer: Amenities.

Explanation: The Women's Auxiliary Service (Burma) supported the BCOF by providing amenities to its personnel.

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Which naval force initially provided the majority of support for the British Commonwealth Occupation Force?

Answer: British Pacific Fleet

Explanation: The British Pacific Fleet initially provided the majority of the naval forces supporting the British Commonwealth Occupation Force.

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Which of the following battalions was a constituent part of the 34th Australian Infantry Brigade within the BCOF?

Answer: 65th Battalion

Explanation: The 34th Australian Infantry Brigade was composed of the 65th, 66th, and 67th Battalions.

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Major General David Cowan commanded which major formation within the British Commonwealth Occupation Force from 1945 to 1947?

Answer: The British Indian Division (BRINDIV)

Explanation: Major General David Cowan commanded the British Indian Division (BRINDIV) from 1945 to 1947.

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Which of the following Royal Australian Air Force squadrons was part of No. 81 Wing RAAF within the British Commonwealth Air Forces (BCAIR)?

Answer: No. 77 Squadron RAAF

Explanation: No. 81 Wing RAAF included No. 76 Squadron RAAF, No. 77 Squadron RAAF, and No. 82 Squadron RAAF.

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The 5th British Infantry Brigade, later renumbered as the 25th Independent Infantry Brigade, included which of these specific battalions?

Answer: 2nd Battalion of the Dorsetshire Regiment

Explanation: The 5th British Infantry Brigade included the 1st Battalion of the Queen's Own Cameron Highlanders, the 2nd Battalion of the Dorsetshire Regiment, and the 2nd Battalion of the Royal Welch Fusiliers.

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Which battalion was a component of the 268th Indian Infantry Brigade within the BCOF?

Answer: 2nd Battalion of the 5th Royal Gurkha Rifles

Explanation: The 268th Indian Infantry Brigade was comprised of the 5th Battalion of the 1st Punjab Regiment, the 2nd Battalion of the 5th Royal Gurkha Rifles, and the 1st Battalion of the 5th Mahratta Light Infantry.

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Geographic Scope and Key Locations

The headquarters of the British Commonwealth Occupation Force was located in Tokyo, Japan.

Answer: False

Explanation: The headquarters of the British Commonwealth Occupation Force was located in Kure, a naval port near Hiroshima, not Tokyo.

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The BCOF was responsible for occupying the eastern prefectures of Japan and Hokkaido Island.

Answer: False

Explanation: The British Commonwealth Occupation Force was responsible for the western prefectures of Shimane, Yamaguchi, Tottori, Okayama, and Hiroshima, as well as Shikoku Island, not the eastern prefectures or Hokkaido.

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The initial contingent of BCOF personnel arrived in Japan on February 21, 1946, at the former Imperial Japanese Navy base at Kure.

Answer: True

Explanation: The initial contingent of BCOF personnel arrived on February 21, 1946, at the former Imperial Japanese Navy base at Kure, which became their main base.

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HMS Commonwealth was commissioned in June 1946, signifying the formal establishment of a naval presence for the BCOF at Kure.

Answer: True

Explanation: The facilities at Kure were commissioned as HMS Commonwealth on June 3, 1946, formally establishing the BCOF's naval presence.

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The headquarters of the British Commonwealth Occupation Force was located in which Japanese city, a naval port near Hiroshima?

Answer: Kure

Explanation: The headquarters of the British Commonwealth Occupation Force was located in Kure, a naval port near Hiroshima.

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Which of the following Japanese prefectures was under the responsibility of the British Commonwealth Occupation Force?

Answer: Shimane

Explanation: The British Commonwealth Occupation Force was responsible for the western prefectures, including Shimane.

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What was HMS Commonwealth, commissioned on June 3, 1946, in the context of the BCOF's presence at Kure?

Answer: The commissioned name for the main BCOF naval base facilities.

Explanation: HMS Commonwealth was the commissioned name for the Royal Navy shore party's control of the port and facilities at Kure, establishing a formal naval presence.

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Which of the following prefectures was NOT listed as being under the responsibility of the British Commonwealth Occupation Force?

Answer: Fukuoka

Explanation: The BCOF was responsible for Shimane, Yamaguchi, Tottori, Okayama, and Hiroshima prefectures, but Fukuoka is not listed among them.

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Operational Evolution and Dissolution

By 1950, all non-Australian BCOF troops had been withdrawn from Japan.

Answer: False

Explanation: By 1948, all British, Indian, and New Zealand troops had been withdrawn, leaving the BCOF staffed solely by Australian military personnel, which is earlier than 1950.

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After 1950, BCOF bases primarily served as training grounds for new recruits.

Answer: False

Explanation: From 1950 onwards, BCOF bases primarily served as crucial staging posts for Commonwealth forces deployed to the Korean War, not as training grounds for new recruits.

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The British Commonwealth Occupation Force was formally dissolved in 1952 with the signing of the peace treaty.

Answer: False

Explanation: The British Commonwealth Occupation Force was effectively wound up in 1951, with control transferred to British Commonwealth Forces Korea, preceding the 1952 peace treaty.

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By what year was the BCOF staffed solely by Australian military personnel, following the withdrawal of other Commonwealth troops?

Answer: 1948

Explanation: By 1948, the BCOF was staffed solely by Australian military personnel, as all British, Indian, and New Zealand troops had been withdrawn.

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From 1950 onwards, how did the role of BCOF bases primarily evolve?

Answer: They served as crucial staging posts for Commonwealth forces deployed to the Korean War.

Explanation: From 1950 onwards, BCOF bases transitioned into providing crucial staging posts for Commonwealth forces deployed to the Korean War.

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In what year was the British Commonwealth Occupation Force effectively wound up, with its control transferred to British Commonwealth Forces Korea?

Answer: 1951

Explanation: The British Commonwealth Occupation Force was effectively wound up in 1951, with control transferred to British Commonwealth Forces Korea.

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Historical Imagery and Specific Events

The image showing Commander Yuzo Tanno and Captain H. J. Buchanan depicts the handover of the Hiroshima Naval Base.

Answer: False

Explanation: The image depicts the handover of the Yokosuka Naval Base, not the Hiroshima Naval Base.

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General Robert L. Eichelberger is shown inspecting British troops at the BCOF Headquarters in Kure.

Answer: False

Explanation: General Robert L. Eichelberger is shown inspecting an Australian Guard of Honour, not British troops, at the BCOF Headquarters in Kure.

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The image depicting Commander Yuzo Tanno and Captain H. J. Buchanan shows the handover of keys for which specific naval base?

Answer: Yokosuka Naval Base

Explanation: The image depicts the handover of the Yokosuka Naval Base.

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What is depicted in the gallery image featuring New Zealand Divisional Cavalry soldiers on Etajima?

Answer: Inspecting a model of a Japanese battleship.

Explanation: The gallery image shows New Zealand Divisional Cavalry soldiers inspecting a model of a Japanese battleship on Etajima.

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