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Combined Chiefs of Staff

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Title: Combined Chiefs of Staff  
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Subject: Combined Production and Resources Board, Defence of the Reich, Casablanca directive, Southeast Pacific Area, Malta Conference (1945)
Collection: Allied Commands of World War II
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Combined Chiefs of Staff

Combined Chiefs of Staff in Quebec – August 23, 1943. Seated around the table from left foreground: Vice Adm. Lord William D. Leahy, Admiral Ernest King, and Capt. F.B. Royal.

The Combined Chiefs of Staff (CCS) was the supreme military staff for the western Allies during World War II. It emerged from the meetings of the Arcadia Conference in December 1941.[1] The CCS was constituted from the British Chiefs of Staff Committee and the American Joint Chiefs of Staff that was created, in part to present a common front to the British Chiefs of Staff, in early 1942 holding its first formal meeting on 9 February to coordinate U.S. military operations between War and Navy Departments.[2][3]

The CCS charter was approved by President Roosevelt 21 April 1942.[2] The American members of the CCS were United States Army chief of staff, the Chief of Naval Operations, Admiral Harold R. Stark (replaced early in 1942 by Admiral Ernest J. King); and the Chief (later Commanding General) of the Army Air Forces, Lt. Gen. Henry H. Arnold. In July 1942 a fourth member was added, the President's personal Chief of Staff, Admiral William D. Leahy.[4]

On the British side the Chiefs of Staff only normally attended during the heads of states' conferences. Instead the British Joint Staff Mission was permanently situated in Washington, D.C. to represent British interests.[5] The British members were a representative of the Prime Minister, in his capacity as Minister of Defence, and the Chiefs of Staff Committee, which consisted of the First Sea Lord, the Chief of the Imperial General Staff, and the Chief of the Air Staff, or the Washington representative of each. The representative of the Prime Minister was Field Marshal Sir John Dill and after his death Field Marshal Sir Henry Maitland Wilson. The Washington representatives of the Chiefs of Staff Committee, who normally met with the United States members in place of their principals, were the senior officers from their respective services on the British Joint Staff Mission in Washington. In the course of the war, the First Sea Lord was represented by Admiral Sir Charles Little, Admiral Sir Andrew Cunningham, Admiral Sir Percy Noble, and Admiral Sir James Somerville; the Chief of the Imperial General Staff was represented by Lt. Gen. Sir Coville Wemyss and Lt. Gen. G. N. Macready; and the Chief of the Air Staff was represented by Air Marshal D. C. S. Evill, Air Marshal Sir William L. Welsh, and Air Marshal Douglas Colyer. Dill, a close friend of Marshall, often took the American position and prevented a polarizations that would undermine effectiveness.[6]

The Combined Chiefs of Staff organization included the Combined Secretariat and a number of committees.

In the Northern hemisphere spring of 1942, Britain and the United States agreed on a worldwide division of strategic responsibility. On 24 March 1942, the U.S. Joint Chiefs of Staff were designated as primarily responsible for the war in the Pacific, and the British Chiefs for the Middle East-Indian Ocean region, while the European-Mediterranean-Atlantic area would be a combined responsibility of both staffs.[4] China was designated a separate theater commanded by its chief of state, Chiang Kai-shek, though within the United States' sphere of responsibility. Six days later the Joint Chiefs of Staff divided the Pacific theater into three areas: the Pacific Ocean Areas (POA), the South West Pacific Area (SWPA), and the Southeast Pacific Area.[7] The Pacific Ocean Area command formally became operational on 8 May.

The CCS usually held its meetings in Washington. The full CCS usually met only during the great wartime conferences on grand strategy, such as at Casablanca (see List of World War II conferences). The meetings of heads of government at those conferences were designed to reach formal agreement on issues thoroughly staffed by the CCS.[2] At the Casablanca Conference in January 1943, General Frank Maxwell Andrews was appointed commander of all United States forces in the European Theater of Operations.

Although it was responsible to both the British and American governments, the CCS controlled forces from many different countries in all theaters, including the Pacific, India and North Africa. Representatives of allied nations were not members of the CCS but accepted procedure included consultation with "Military Representatives of Associated Powers" on strategic issues.[2] Much cooperation continued between the British and American militaries after the war including the Combined Chiefs of Staff structure, and it was used again during the

  • United States Army in World War II - The War Department - Washington Command Post: The Operations Division; Chapter VI. Organizing The High Command For World War II "Development of the Joint and Combined Chiefs of Staff System"
  • Conference Proceedings of the Combined Chiefs of Staff, 1941-1945, Dwight D. Eisenhower Presidential Library

External links

  • Adams, Henry H. Witness to Power: The Life of Fleet Admiral William D. Leahy (1985)
  • Butler, J.R.M. et al. Grand Strategy. Volume II. September 1939 - June 1941 (London: HMSO, 1976), official British history
  • Cline, Ray S. Washington Command Post: The Operations Division Vol. 4. Office of the Chief of Military History, Department of the Army, 1951.
  • Danchev, Alex. Being Friends: The Combined Chiefs of Staff and the Making of Allied Strategy in the Second World War (1992)
  • Davis, Vernon E. The History of the Joint Chiefs of Staff in World War II: Organizational Development (Historical Section, Joint Chiefs of Staff, 1953)
  • Freuding, Christian. "Organising for War: Strategic Culture and the Organisation of High Command in Britain and Germany, 1850–1945: A Comparative Perspective." Defence Studies (2010) 10#3 pp: 431-460.
  • Jackson, William Godfrey Fothergill. The chiefs: the story of the United Kingdom chiefs of staff (Potomac Books Inc, 1992), 504pp; includes postwar
  • Jordan, Jonathan W., American Warlords: How Roosevelt's High Command Led America to Victory in World War II (NAL/Caliber 2015).
  • Leahy, William D. I Was There: the Personal Story of the Chief of Staff to Presidents Roosevelt and Truman, based on his notes and diaries made at the time (Whittlesey House, 1950)
  • Matloff, Maurice and Edwin M. Snell. Strategic planning for coalition warfare, 1941-1942 (United States Army in World War II: The War Department; "Green Books"" series)) (1953) Kindle edition
  • Matloff, Maurice. Strategic Planning for Coalition Warfare 1943-1945 (US Army Green Book) (1951) Kindle edition
  • Rice, Anthony J. "Command and control: the essence of coalition warfare." Parameters (1997) v 27 pp: 152-167.
  • Rigby, David. Allied Master Strategists: The Combined Chiefs of Staff in World War II (2012) excerpt and text search
  • Rosen, S. McKee. The combined boards of the Second World War: An experiment in international administration (Columbia University Press, 1951)

Further reading

  1. ^ Leighton, Richard M.; Robert W Coakley (1995). United States Army in World War II - The War Department - Global Logistics and Strategy 1940-1943. Center Of Military History, United States Army, Washington, D. C. p. 143. Retrieved 5 January 2012. 
  2. ^ a b c d Cline, Ray S. (1990). United States Army in World War II - The War Department - Washington Command Post: The Operations Division; Chapter VI. Organizing The High Command For World War II "Development of the Joint and Combined Chiefs of Staff System". Center Of Military History, United States Army, Washington, D. C. pp. 98–104. Retrieved 5 January 2012. 
  3. ^ Leighton, Richard M.; Robert W Coakley (1995). United States Army in World War II - The War Department - Global Logistics and Strategy 1940-1943. Center Of Military History, United States Army, Washington, D. C. p. 144. Retrieved 5 January 2012. 
  4. ^ a b
  5. ^ Federal Records of World War II Volume II: Military Agencies, General Services Administration, National Archives and Records Service, The National Archives, Part One: Interallied and Interservice Military Agencies, Washington, D.C.: 1951, accessed December 2011
  6. ^ Rigby (2012), "Introduction"
  7. ^ Cressman (2000)p.84 and Potter & Nimitz, Sea Power, 1960, p.653
  8. ^ Dawson, R.; Rosecrance, R. (1966). "Theory and Reality in the Anglo-American Alliance". World Politics 19 (1): 21–51.  
  9. ^
  10. ^
  11. ^


Both the US Joint Chiefs of Staff and the UK's Chiefs of Staff Committee met as a "Combined Chiefs of Staff Committee" around March 2013,[9] the first time since their World War Two meetings. This was held in Washington DC. Subsequent meetings were held in London 2014[10] and in the National Defense University, May 2015.[11]

Present day


  • Present day 1
  • References 2
  • Further reading 3
  • External links 4


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